atikah hairulazam, siti fatimah ibrahim, khairul osman, mohd helmy mokhtar, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, sivasatyan vijay, zahriladha zakaria, amyrul azuan mohd bahar, and farah hanan fathihah jaffar .  (2026).  differential effects of 3.5 ghz and 24 ghz 5g radiofrequency exposure on male sexual behaviour and reproductive endocrine function in rats.  - international journal of molecular sciences.  1 - 22. 

atikah hairulazam, siti fatimah ibrahim, khairul osman, mohd helmy mokhtar, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, sivasatyan vijay, zahriladha zakaria, amyrul azuan mohd bahar, farah hanan fathihah jaffar.  (2026).  effects of 5g frequencies on sperm parameters, mating success, and offspring outcomes in rats.  - indian journal of medical research.  341 - 348. 

syamimie syaqila azhar, seri mirianti ishar, noor hazfalinda hamzah, khairul osman & rus dina rus din .  (2026).  effectiveness of wet powder suspension for latent fingerprint recovery on adhesive tapes over time..  - national forensic science symposium.  . 

mohd azren zahari, seri mirianti ishar, noor hazfalinda hamzah, syahmimi nadwa mohd isa, siti fatimah ibrahim, khairul osman, rus dina rus din.  (2026).  pemantauan profil dan trend kemunculan bahan psikoaktif baharu (nps) di lima negeri di semenanjung malaysia .  - national forensic science symposium.  . 

farah hanan fathihah jaffar, atikah hairulazam, aini farzana zulkifli, mohd farisyam mat ros, khairul osman, siti fatimah ibrahim.  (2026).  differential effects of microwave and millimetre-wave frequencies in 5g communication technology on the testosterone-to-estradiol ratio and mounting behaviour in male rats.  - 39th annual scientific meeting of the malaysian society of pharmacology and physiology (mspp), in conjunction with the 1st advances in research & clinical medicine of today (army 2026) conference.  . 

norazurashima jamaludin, siti fatimah ibrahim, khairul osman, syed muhamad asyraf syed taha, atikah hairulazam, sivasatyan vijay, aini farzana zulkefli, mohd farisyam mat ros and farah hanan fathihah jaffar.  (2025).  time-dependence effect of 2.45 ghz rf-emr exposure on male reproductive hormones and lhcgr .  - journal of pioneering medical sciences.  43 - 51. 

norazurashima jamaludin , siti fatimah ibrahim , farah hanan fathihah jaffar , aini farzana zulkefli and khairul osman.  (2025).  the influence of 2.45 ghz wi-fi exposure duration on sperm quality and testicular histopathology: an exploration of peroxidative injury.  - antioxidants.  1 - 14. 

khairul osman, nor hamizan hashim, siti fatimah ibrahim.  (2025).  the effects of sedative and stimulant agents of illicit drugs on male fertility: a scoping review.  - fourrages.  1 - 13. 

sivasatyan vijay, siti fatimah ibrahim, khairul osman, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, atikah hairulazam, farah hanan fathihah jaffar.  (2025).  histomorphometry and sperm quality in male rats exposed to 2.45 ghz wi-fi.  - reproduction.  1 - 12. 

atikah hairulazam, siti fatimah ibrahim, khairul osman, mohd helmy mokhtar, aini farzana zulkefli1, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, sivasatyan vijay, farah hanan fathihah jaffar.  (2025).  the effect of 3.5 ghz exposure on the parameters of libido in male rats.  - 5th international conference on advances in medical science (icams 2025).  . 

atikah mohd nasir, han jia siew, khairul osman, nur mahiza md isa, noor hazfalinda hamzah.  (2025).  from skulls to faces: unveiling the secrets of identity with 3d facial reconstruction.  - jurnal sains kesihatan malaysia.  81 - 89. 

nur izzatul hafizza binti zamri, khairul osman, atikah mohd nasir, nurmahiza md isa and noor hazfalinda hamzah .  (2025).  enhancing fire safety education through the application of effective sprinkler systems in enclosed compartments (basements): a comprehensive review.  - international conference on teaching and learning in health st sciences education intlec 2025.  . 

muhammad adib al-wafi, mohd azmi, nurhanis, abdul aziz, tan ke, rozaimy abdul rahim, khairul osman, atikah mohd nasir.  (2025).  from screen to scene: welcome to investigamer.  - international conference on teaching and learning in health sciences education (intlec) 2025 .  . 

siti fatimah ibrahim, nur farahin abu bakar, neetyaa sre paranthaman, tong sheng gan, jazebelle faith childs, nurul atiqah azhar, aini farzana zulkefli, mohd farisyam mat ros, khairul osman, farah hanan fathihah jaffar.  (2025).  testicular morphological alterations in 2.45 ghz wi-fi exposed rat pups and the mitigating effects of edible bird nest .  - medicine and health.  764 - 775. 

khairul osman, siti fatimah ibrahim, nur syahmimi nadwa binti mohd isa, nur nabila zulkifli, ifa suefiqah mohd zulfikar, rogayah abu hassan @ mohamed, khairunnisa zaidan, mira hazira zaid, rus dina rus din, seri mirianti ishar, atikah mohd nasir, nor ayuslinawati che sidik, nurfaizah abu tahrim, norfaizan padli, wan mohd razi idris, nur amirah amerudin, mohammad kassim.  (2025).  laporan teknikal makmal perisikan 2024 sehingga mac 2025.  - .  . 

khairul osman, siti fatimah ibrahim, nur syahmimi nadwa binti mohd isa, nur nabila zulkifli, ifa suefiqah mohd zulfikar, rogayah abu hassan @ mohamed, khairunnisa zaidan, mira hazira zaid, rus dina rus din, seri mirianti ishar, atikah mohd nasir, nor ayuslinawati che sidik, mohammad kassim.  (2025).  laporan teknikal makmal perisikan ukm-pdrm may 2025.  - .  . 

atikah mohd nasir, rozaimy abdul rahim, nurin haziqah razali, khairul osman, noor hazfalinda hamzah, juhana jaafar, pei sean goh, ahmad fauzi ismail .  (2025).  detection of illicit drug unique marker in wastewater: the role of advanced membrane technologies.  - 15th conference of aseanian membrane society.  . 

farah hanan fathihah, siti fatimah ibrahim, sivasatyan vijay, norazurashima jamaludin, khairul osman.  (2025).  wi-fi exposure alters male reproductive parameters: evidence from a rodent model.  - 38th scientific meeting of the malaysian society of pharmacology and physiology.  . 

khairul osman, qi wei kong, atikah mohd nasir, nur mahiza md isa, noor hazfalinda hamzah.  (2025).  forensic analysis of cryptocurrencies: a comprehensive overview.  - asia-pacific journal of information technology and multimedia.  586 - 595. 

khairul osman, naadiah ahmad mazlani, gina francesca gabriel, noor hazfalinda hamzah, rogayah abu hassan, dzulkiflee ismail, wan nur syuhaila mat desa.  (2025).  tropical weathering effects on neat gasoline: an analytical study of volatile organic profiles.  - chemosensors.  1 - 15. 

syed muhamad asyraf syed taha, farah hanan fathihah jaffar, atikah hairulazam, sivasatyan vijay, norazurashima jamaludin, aini farzana zulkifli, mohd farisyam mat ros, khairul osman, zahriladha zakaria, mohd amyrul azuan mohd bahar and siti fatimah ibrahim.  (2025).  prolonged 3.5 ghz and 24 ghz rf-emf exposure alters testicular immune balance, apoptotic gene expression, and sperm function in rats.  - biomedicines.  1 - 18. 

nor ayuslinawati che sidik, khairul osman, khairunnisa zaidan, mira hazira zaid, faisal ariffin @ othman.  (2025).  guardiancool: "smart temperature, safe future".  - hari penyelidikan & inovasi @fsk 2025.  . 

farah hanan fathihah jaffar, nurul atiqah azhar, sofwatul mokhtarah maluin, khairul osman, siti fatimah ibrahim .  (2025).  edible bird nest supplementation enhances male reproductive function: current insights and future horizons.  - foods.  1 - 21. 

atikah mohd nasir, nurin haziqah razali, khairul osman, mohd ridhwan adam.  (2025).  advancing healthcare with green nanotechnology.  - .  100 - 111. 

khairul osman, muhammad rafeeq azahar, atikah mohd nasir, nur mahiza md isa, noor hazfalinda hamzah.  (2025).  gender discrimination using direct photography technique in the malaysian chinese population (klang valley): a digital approach.  - sultan qaboos university medical journal.  1034 - 1075. 

nurul atiqah azhar, khairul osman, farah hanan fathihah jaffar, chua kien hui, farisyam mat ros, aini farzana zulkefli, siti fatimah ibrahim.  (2024).  effect of edible bird nest supplementation against busulfan-induced oligospermia in adult rats.  - sains malaysiana.  1219-1234. 

siti fatimah ibrahim, nur syahmimi nadwa binti mohd isa, vivaashiny a/p balakrishnan, khairul osman, jalifah binti latip, seri mirianti ishar, rus dina rus din.  (2024).  pembangunan protokol sampel-prep untuk urin yang mengandungi metabolik dadah nps.  - .  1-64. 

noor hazfalinda hamzah, khairul osman, khairunnisa aliah abdullah faizal.  (2024).  pemilikan senjata api di malaysia edisi kedua.  - .  141. 

chialeexian chelladurai, hamzah noor hazfalinda, gabriel gina francesca, khairunnisa zaidan, khairul osman.  (2024).  quality assessment of alternative patent fingerprint method using alcohol gel and thermal paper.  - jurnal sains kesihatan malaysia.  13-22. 

mohd fahmi bin ghazali;khairul bin osman;wong wai yan.  (2024).  new measures of performance index of academicians.  - .  . 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli, siti fatimah ibrahim.  (2024).  effect of wi-fi exposure and edible bird nest supplementation on the testicular oxidative stress status and sperm quality in male sprague-dawley rat pups.  - international journal of radiation research.  329 - 338. 

noor hazfalinda hamzah, khairul osman, nur syahmimi nadwa mohd isa and atikah mohd nasir.  (2024).  investigation of lpg explosion: forensic fire perspective.  - 14th international symposium of health sciences .  . 

sivasatyan vijay, siti fatimah ibrahim, khairul osman, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, syed muhamad asyraf syed taha, atikah hairulazam, farah hanan fathihah jaffar.  (2024).  relationship of serum and testicular testosterone on sperm parameters following 2.45ghz wi-fi exposure in male sprague dawley rat.  - 14th international symposium of health sciences .  . 

syed muhamad asyraf syed taha, farah hanan fathihah jaffar, khairul osman, atikah hairulazam, sivasatyan vijay, aini farzana zulkefli, mohd farisyam mat ros, norazurashima jamaludin, zahriladha zakaria, siti fatimah ibrahim .  (2024).  effect of prolonged exposure to 3.5 ghz 5g technology on heatshock proteins & sperm parameters in male sprague dawley rats: comparison of 1-hour and 7-hour exposure.  - 14th international symposium of health sciences .  . 

norazurashima jamaludin, khairul osman, farah hanan fathihah jaffar, siti fatimah ibrahim.  (2024).  the influence of 2.45 ghz wi-fi exposure duration on sperm quality and testicular ultrastructure: exploration on peroxidative injury.  - 14th international symposium of health sciences .  . 

khairi zubaidi zakaria, muhammad afiq khalid, khairul osman, nurin haziqah razali, siti fatimah ibrahim, atikah mohd nasir.  (2024).  research trends of monitoring domestic wastewater on investigative studies for illicit drugs manufacturing: a bibliometric analysis.  - national forensic science symposium 2024.  . 

maluin, sofwatul mokhtarah; jaffar, farah hanan fathihah; osman, khairul; zulkefli, aini farzana; mat ros, mohd farisyam; ibrahim, siti fatimah.  (2024).  exploring edible bird nest's potential in mitigating wi-fi's impact on male reproductive health.  - reproductive medicine and biology.  1 - 13. 

noor hazfalinda hamzah, yee ze goh, gina francesca gabriel, khairul osman, nur mahiza md isa.  (2023).  sex determination using direct photography technique: a mobile-phone camera: a digital approach for lip prints analysis in malaysian malay population (klang valley).  - jurnal sains kesihatan malaysia.  105-114. 

nur hilwani, ibrahim siti fatimah, mokhtar mohd helmy, yahaya azyani, zulkefli aini farzana, ankasha sheril june, osman khairul.  (2023).  modulation of vulvovaginal atrophy (vva) by gelam honey in bilateral oophorectomized rats.  - frontiers in endocrinology.  1-13. 

mohd najib sam, glenna tan jie yee, noor hazfalinda hamzah, mohd zulkarnain embi, ahmad zamri md rejab, gina francesca gabriel, khairul osman.  (2023).  effects of shooting angles and ricochet angles on bullet weight upon impact on three types of woods (balau, resak, and seraya).  - pertanika journal of science & technology.  1475-1491. 

noor hazfalinda binti hamzah;khairul bin osman;seri mirianti binti ishar;gina francesca gabriel;rus dina binti rus din.  (2023).  pembinaan satu model baharu (modelling) untuk mengesan tembakan peluru menggunakan pistol tangan dan 9mm peluru ke atas struktur kayu.  - .  . 

seri mirianti binti ishar;khairul bin osman;noor hazfalinda binti hamzah;rus dina binti rus din.  (2023).  determination of mtdna variants using allele specific pcr for human identification.  - .  . 

farah hanan fathihah jaffar, siti fatimah ibrahim, khairul osman, chua kien hui.  (2023).  wi-fi dan sistem pembiakan lelaki: pencegahan menggunakan sarang burung walit.  - .  167. 

khairul osman, mohd najib sam, glenna tan jie yee, mohd zulkarnain embi, ahmad zamri md rejab, gina francesca gabriel, noor hazfalinda hamzah.  (2023).  kesan tembakan jarak dekat ke atas bahan binaan kapal nelayan resak, seraya dan balau.  - jurnal sains kesihatan malaysia.  61-71. 

khairul osman, glenna tan jie yee, najib sam, gina francesca gabriel & noor hazfalinda hamzah.  (2023).  pelbagai faktor yang mempengaruhi berat akhir peluru yang ditembak ke atas pelbagai jenis kayu.  - .  129-133. 

noor hazfalinda hamzah, darishini manimaran, khairul osman, gina francesca gabriel, seri mirianti ishar & rus dina rus din.  (2023).  pemerhatian kecederaan akibat rogol dalam kalangan kanak-kanak belum akil baligh dan lelaki.  - .  288-293. 

noor hazfalinda hamzah, goh yee ze, khairul osman, gina francesca gabriel, seri mirianti ishar, rus dina rus din & nur mahiza md isa.  (2023).  analisis cap bibir populasi melayu malaysia (lembah klang) menggunakan teknik digital fotografi.  - .  294-299. 

nur azwa azman, noor hazfalinda hamzah, khairul osman & gina francesca gabriel.  (2023).  analisis penunjuk utama penguraian terma tisu khinzir yang dibakar dengan kehadiran gangguan minyak tanah dalam keadaan terbuka.  - .  306-312. 

noor hazfalinda hamzah, rabiatul adawiyah, gina francesca gabriel, khairul osman.  (2022).  senjata api sebagai kawan atau lawan?.  - dewan kosmik.  1-8. 

noor hazfalinda hamzah, darishini manimaran, khairul osman, nur mahiza md isa, gina francesca gabriel.  (2022).  effects of layered clothing on the post-mortem decomposition of rat carcasses on grass bushes and dead leaves.  - jurnal sains kesihatan malaysia.  97-107. 

jaffar farah hanan fathihah, osman khairul, hui chua kien, zulkefli aini farzana, ibrahim siti fatimah.  (2022).  long term wi-fi exposure from pre-pubertal to adult age on the spermatogonia proliferation and protective effects of edible bird's nest supplementation.  - frontiers in physiology.  199-209. 

khairul osman, akmal sabarudin, masne kadar, shobha sharma.  (2022).  perintah profesion kesihatan bersekutu (pindaan jadual kedua) 2022.  - .  5. 

siti fatimah binti ibrahim;khairul bin osman;mohd helmy bin mokhtar;farah hanan fathihah binti jaffar.  (2022).  the effect of wi-fi emitting radiofrequency radiation on the c-kit expression of adiff spermatogonia in the testes of developing spraque dawley male pups..  - .  . 

khairul osman, noor hazfalinda hamzah, gina francesca gabriel, amidon anan.  (2022).  a partial crime scene reconstruction of muhammad adib and aminulrasyid amzah death.  - .  101. 

noor hazfalinda hamzah, mohd faizal abdul rahman, gina francesca gabriel & khairul osman.  (2022).  detection vapour of nitrate fertiliser based explosives on transportation of nitrates during shipping using diphenylamine-calorimeter optic device.  - sains malaysiana.  2955-2966. 

ahmad rohi g, anisah n, asmah h, mahanem mn, hassan md, mohd hafiz s, john shia ks, kamisah y, khairul o, low kc, mohd hanafi ad, norazrina a, nur azlina mf, siti balkis b, siti fatimah i, tay st, vivian jg, zamirah za, chen hc.  (2022).  universiti kebangsaan malaysia ethical principles and guidelines on the use of laboratory animals.  - .  93. 

gina francesca gabriel, khairul osman, noor hazfalinda hamzah.  (2022).  in the line of fire: fire debris analysis in a forensic setting.  - .  143. 

sofwatul mokhtarah maluin, siti fatimah ibrahim, khairul osman, farah hanan fathihah jaffar.  (2022).  effect of edible bird nest supplementation on reproductive hormone in adult spermatogenesis following wi-fi exposure.  - 35th annual scientific meeting of the malaysian society of pharmacology and physiology (mspp 2022).  S144. 

nurul atiqah binti azhar, farah hanan fathihah jaffar, khairul osman, mohd farisyam mat ros, aini farzana zulkefli, chua kien hui, siti fatimah ibrahim.  (2022).  protective effects of edible bird nest on p38 mapk pathway in busulfan-induced sprague dawley rats.  - 35th annual scientific meeting of the malaysian society of pharmacology and physiology (mspp 2022).  S151. 

farah natasha binti mohd aris, seri mirianti ishar, rus dina rus din, gina francesca gabriel, khairul osman, atikah mohd nasir, nur mahiza md isa, noor hazfalinda hamzah.  (2022).  identification of the toxic substance in flavoured e-liquid in malaysia: a systematic review.  - national forensic science symposium 2022.  1. 

gina francesca gabriel, suvitraa paramasivam, nurul syafiqah noor azmi, noor hazfalinda hamzah and khairul osman.  (2022).  the analysis of weathered gasoline residue across different soils in malaysia.  - national forensic science symposium (nfss) 2022.  34-35. 

rus dina rus din, hannarida abdul moin, seri mirianti ishar, noor hazfalinda hamzah, gina francesca gabriel, nor atikah nasir, khairul osman.  (2022).  shoeprint dimensions as individual stature predictor: preliminary study.  - national forensic science symposium 2022.  1. 

suvitraa paramasivam, muhammad firdaus bin idrus, noor hazfalinda hamzah, khairul osman, gina francesca gabriel.  (2022).  weathered gasoline residue in outdoor and laboratory condition.  - national forensic science symposium (2022).  36. 

noor hazfalinda hamzah, li xuan sim, gina francesca gabriel, khairul osman, nur mahiza md isa.  (2022).  artificial intelligence in forensic science: current applications and future direction.  - buletin sk.  39-46. 

n. f. rajab [and fourteen others]..  (2022).  buletin sains kesihatan.  - buletin sains kesihatan.  1-70. 

khairul osman, t'ng qi feng, hairee izzam mohd noor, noor hazfalinda hamzah, gina francesca gabriel.  (2022).  validation of individual identification through decision tree packet header profiling.  - asia-pacific journal of information technology and multimedia.  97-111. 

noor hazfalinda hamzah, umi kalsom jamaludin, khairul osman & gina francesca gabriel.  (2021).  digital approach for lip prints analysis in malaysian malay population (klang valley): scanning technique.  - jurnal sains kesihatan malaysia.  31-38. 

khairul osman, gina francesca gabriel, noor hazfalinda hamzah.  (2021).  crime scene investigation issues: present issues and future recommendations.  - jurnal undang-undang dan masyarakat.  3-10. 

gina francesca gabriel;khairul bin osman;noor hazfalinda binti hamzah;rus dina binti rus din.  (2021).  analysis of pyrolytic key indicators of burnt porcine tissue in the presence of ignitable liquid residue (ilr) in an outdoor setting.  - .  . 

noor hazfalinda binti hamzah;khairul bin osman;sri pawita albakri binti amir hamzah;gina francesca gabriel;rus dina binti rus din.  (2021).  a novel approach and user friendly lip print identification and discrimination of sex among malays population.  - .  . 

ikhwan bin zakaria;khairul bin osman;khairul nizam abdul maulud;raja muhammad zuha bin raja kamal bashah.  (2021).  geospatial analysis of forensically important flies in bandar baru bangi and its surrounding areas using geographical information systems (gis).  - .  . 

khairul bin osman.  (2021).  crim myra ii monitoring system.  - .  . 

nur hilwani ismail, siti fatimah ibrahim, farah hanan fathihah jaffar, mohd helmy mokhtar, kok yong chin and khairul osman.  (2021).  augmentation of the female reproductive system using honey: a mini systematic review.  - molecules.  1-17. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rat.  - frontiers in pharmacology.  1-6. 

noor hazfalinda hamzah, muhammad rafeeq azahar, gina francesca gabriel, rus dina rus din, seri mirianti ishar, khairul osman, nur mahiza md isa.  (2021).  digital approach for lip prints analysis in malaysian chinese population (klang valley): gender discrimination with direct photography technique.  - the 6th rsu international research conference on science and technology (rsusci).  1-16. 

nur hilwani ismail, khairul osman, aini farzana zulkefli, mohd helmy mokhtar and siti fatimah ibrahim.  (2021).  the physicochemical characteristics of gelam honey and its outcome on the female reproductive tissue of sprague-dawley rats : a preliminary study.  - molecules.  1-25. 

dheephikha kumaraguru, wan nur syuhaila, khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2021).  volatile organic key indicators of porcine tissue and diesel in forensic fire analysis.  - international conference on research and practices in science, technology and social sciences (i-crest 2021).  127. 

dheephikha kumaraguru, wan nur syuhaila, khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2021).  volatile organic key indicators of porcine tissue and diesel in forensic fire analysis.  - international conference on research and practices in science, technology and social sciences (i-crest 2021).  127. 

gina francesca gabriel, noor hazfalinda hamzah, kamarudin kassim, khairul osman.  (2021).  capture the flag (jeopardy): a forensic science gamification application and evaluation system in solving higher order thinking skill problems.  - kongres dan pertandingan inovasi dalam pengajaran dan pembelajaran (knovasi).  61-62. 

maluin sofwatul mokhtarah, osman khairul, jaffar farah hanan fathihah, ibrahim siti fatimah.  (2021).  effect of radiation emitted by wireless devices on male reproductive hormones: a systematic review.  - frontiers in physiology.  1-8. 

dheephikha kumaraguru, wan nur syuhaila mat desa, khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2021).  volatile chemical profiling of unburnt and burnt ron 95 petrol from three oil stations: a preliminary study.  - malaysian journal of analytical sciences (mjas).  776-790. 

noor hazfalinda hamzah, gina francesca gabriel, nurul syuhada haron, khairul osman, nur mahiza md isa.  (2021).  digital approach for gender discrimination from lip prints analysis in malaysian chinese population (klang valley).  - international journal of medical toxicology & legal medicine.  229-233. 

nur hilwani ismail, khairul osman, aini farzana zulkefli, mohd helmy mokhtar, siti fatimah ibrahim.  (2021).  atrophic vaginitis by gelam honey in sprague dawley rats: pilot study of potential apitherapy for managing genitourinary syndrome.  - malaysian society of pharmacology and physiology 34th scientific meeting 2021.  198-199. 

nor fadilah rajab [et al.].  (2021).  buletin sains kesihatan.  - buletin sains kesihatan.  1-52. 

nor fadilah rajab [et al.].  (2021).  buletin sains kesihatan.  - buletin sains kesihatan.  1-54. 

farah hanan fathihah jaffar, khairul osman, chua kien hui, aini farzana zulkefli and siti fatimah ibrahim.  (2021).  edible bird's nest supplementation improves male reproductive parameters of sprague dawley rats.  - frontiers in pharmacology.  21-26. 

noor hazfalinda hamzah, amalina farhatul farida mohamad seliman, khairul osman, gina francesca gabriel.  (2020).  lip print analysis in malaysian chinese population (klang valley): lipstickcellophane tape technique.  - jurnal sains kesihatan malaysia.  31-38. 

noor hazfalinda hamzah, nurul syuhada haron, khairul osman, gina francesca gabriel.  (2020).  digital approach for lip prints analysis in malaysian chinese population (klang valley): scanning on lipstick cellophane tape technique.  - international conference on forensic science, forensic medicine and criminology (infomec) 2020: translating research into virtual platform.  1. 

dheephikha kumaraguru, khairul osman and gina francesca gabriel.  (2020).  volatile chemical fingerprint of petrol; ron 95, from different oil providers in malaysia.  - international conference on forensic science, forensic medicine and criminology (infomec) 2020: translating research into virtual platform.  1. 

dheephikha kumaraguru, khairul osman and gina francesca gabriel.  (2020).  volatile chemical fingerprint of diesel from different oil providers in malaysia.  - international conference on forensic science, forensic medicine and criminology (infomec) 2020: translating research into virtual platform.  1. 

nur hamizah md udin, amidon anan, khairul osman, gina francesca gabriel, noor hazfalinda hamzah.  (2020).  bukti fizikal pembunuhan di malaysia :kes canny ong.  - .  83. 

noor hazfalinda hamzah, gina francesca gabriel, aini leng mi fung, khairul osman, nur mahiza md isa.  (2020).  gender discrimination based on lip prints analysis in malaysian chinese population (klang valley): photograph on lipstick-cellophane tape technique.  - buletin sk.  1-10. 

noor hazfalinda hamzah, gina francesca gabriel, khairul osman.  (2020).  pemilikan senjata api di malaysia.  - .  85. 

khairul bin osman, siti fatimah ibrahim, noor hashida hashim.  (2020).  quantification of fluorochrome protamination intensity in sperm dna wrapping materials towards male infertility.  - .  1-10. 

ahmad rohi ghazali, anisah nordin, asmah hamid, kamisah yusof, khairul osman, low kiat cheong, mohd hanafi ahmad damanhuri, norazrina azmi, nur azlina mohd fahami, siti balkis budin, siti fatimah ibrahim, tay sun tee, zamirah zainal abidin.  (2020).  prinsip dan garis panduan etika penggunaan haiwan makmal universiti kebangsaan malaysia.  - .  94. 

gina francesca gabriel, jennifer shalini jheyeaaseelan, dheephikha kumaraguru, khairul osman and noor hazfalinda hamzah.  (2019).  pyrolytic key indicators of burnt porcine tissue in the presence of petrol under outdoor conditions.  - malaysian journal of analytical science.  274-289. 

farah dayana rosli, noor hashida hashim, yusmin mohd yusuf, khairul osman, siti fatimah ibrahim, nurul kabir.  (2019).  thymoquinone enhances sperm dna integrity in nicotine-induced infertile male rats.  - tropical journal of pharmaceutical research.  1219-1225. 

farah hanan fathihah jaffar, khairul osman, nur hilwani ismail, kok-yong chin and siti fatimah ibrahim.  (2019).  adverse effects of wi-fi radiation on male reproductive system: a systematic review.  - tohoku journal of experimental medicine.  169-179. 

gina francesca gabriel, girinishwary kalai selvam, nur najihah binti fazari, dheephikha kumaraguru and khairul osman.  (2019).  weathering effects on the volatile chemical fingerprint of ron95 petrol in malaysia.  - national forensic science symposium 2019.  1. 

dheephikha kumaraguru, khairul osman and gina francesca gabrie.  (2019).  differences in the volatile chemical fingerprint of petrol burnt at different durations: ron 95, from different oil providers in malaysia.  - national forensic science symposium 2019- advancing forensic science.  1-15. 

gina francesca gabriel, jennifer shalini jheyeaaseelan, nur azwa azman, dheephikha kumaraguru, noor hazfalinda hamzah and khairul osman.  (2019).  key volatile indicators of porcine tissue in the presence of interferences; petrol and kerosene.  - 12th international symposium of health sciences (i-sihat 2019).  1. 

dheephikha kumaraguru, khairul osman and gina francesca gabriel.  (2019).  variations in the volatile chemical fingerprint of petrol; ron 95 and ron 97, from different oil providers in malaysia.  - 12th international symposium of health sciences (i-sihat 2019).  1. 

normaizatul afizah ismail, ravinder kaur santosh singh, athirah ayob, khairul osman, mohamed swarhib shafie, faridah mohd nor.  (2019).  prediction of stature from fragmentary bones by radiographic method: forensic implication.  - international medical journal.  409-413. 

farah dayana rosli, noor hashida hashim, khairul osman, siti fatimah ibrahim, nurul kabir..  (2019).  ameliorative effects of thymoquinone on sperm parameters and testosterone level of nicotine-treated sprague dawley rats.  - brazilian archives of biology and technology.  1-11. 

gina francesca gabriel, nur fatin ghazali, dheephikha kumaraguru, khairul osman & noor hazfalinda hamzah.  (2019).  volatile chemical component differences between fully and partially dried merbau (intsia sp.) wood using gas chromatography-mass spectrometry (gc-ms) in malaysia.  - jurnal sains kesihatan malaysia.  85-97. 

normaizatul afizah ismail, norakmal hisyam abd khupur, khairul osman, ab halim mansar, mohamed swarhib shafie, faridah mohd nor..  (2018).  stature estimation in malaysian population from radiographic measurements of upper limbs..  - egyptian journal of forensic sciences.  1-5. 

gina francesca gabriel, noor hazfalinda hamzah, khairul osman.  (2018).  penyiasatan forensik : pengecaman identiti penjenayah.  - .  101. 

maimunah jais, abdul rahman law abdullah, khairul osman, atiah ayunni abdul ghani, nur faizah abu bakar, datu kharnain datu zainal, yaakob arifin, mohd sohaizam rosli, mohd zulkefele mohd zain, arizam wildeen anuar, syazwani mastor.  (2018).  modul pengurusan infrastruktur makmal.  - .  . 

khairul osman, rafeah pakri mohamed, mohd hashim omar, siti fatimah ibrahim, norhamizan hashim.  (2018).  effect of workstress and smoking towards sperm quality among infertile male.  - malaysian journal of public health medicine.  . 

farah hanan fathihah jaffar, khairul osman, siti fatimah ibrahim.  (2018).  pencirian fosfolipid & protein sperma lembu: pemisahan elektroforesis.  - .  100. 

syarifah faezah syed mohamad, siti fatimah ibrahim, nur hilwan ismail, khairul osman, farah hanan fathihah jaafar, chew fang nang & farida zuraina mohd yusof.  (2018).  quantification of hsp70 gene expression and determination of capacitation status of magnetically separated cryopreserved bovine spermatozoa at different thawing temperature and time.  - sains malaysiana.  . 

lina s., eliza h., hashida n. h., ibrahim s. f., osman k..  (2018).  androgen receptor and ultrastructural features of nigella sativa oil and nicotine-treated male rat reproductive glands.  - sains malaysiana.  . 

noor hazfalinda, h., dheephikha, k., amidon, a., mohamad yassin, m. y., mohamad faizal, a. r., khairul,o., gina francesca, g..  (2018).  the perforating effect of 9 mm bullet on target.  - malaysian journal of forensic sciences.  . 

khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2018).  capture flag @ forsci.  - hakcipta terpelihara.  . 

khairul osman, noor hazfalinda hamzah, gina francesca gabriel.  (2018).  clue@forsci.  - .  . 

normaizatul afizah ismail, ravinder kaur santosh singh, athirah ayob, khairul osman, aung thu ya@ mohd swarhib, faridah mohd nor.  (2017).  stature estimation from radiographic measurements of radius and ulna segments in the malaysian population.  - 3nd international conference on advances in medical sciences.  . 

normaizatul afizah ismail, norakmal hisyam abd khupur, khairul osman, faridah mohd nor, aung thu ya@ mohd swarhib, ab halim mansar.  (2017).  stature estimation from radiographic measurements of humerus, radius and ulna in the malaysian population.  - 3nd international conferences on advances in medical sciences.  . 

khairul osman, rafeah pakri mohamed, mohd hashim omar, siti fatimah ibrahim, farah hanan fathihah jaafar.  (2017).  kesan merokok terhadap integriti dalam kalangan populasi melayu.  - sari penyelidikan.  40-41. 

gina francesca gabriel, azima ismail, atiah ayuni, khairul osman, noor hazfalinda hamzah.  (2017).  the analysis of thermal decomposition products generated from porcine tissues exposed to outdoor burning conditions.  - malaysian journal of analytical sciences.  585-596. 

lee, l. c., liong, c-y., khairul, o., jemain, a. a..  (2017).  effects of baseline correction algorithms on forensic classification of paper based on atr-ftir spectrum and principal component analysis (pca).  - pertanika science and technology.  767-774. 

bariah mohd ali,khairul osman,maimunah jais,rahaida ramli,rogayah abu hassan@mohamad,azeeda shamsudin,nor ayusliwati che sidik,noor shahida sukiman,abd rahman law abdullah,abd khaliq saparudin,atiah ayunni abd ghani,mazlin aman,marisazam salleh,.  (2017).  health science research 2016.  - .  1-166. 

azima ismail, atiah ayunni, khairul osman & gina francesca gabriel.  (2017).  the analysis of thermal decomposition products generated from porcine tissues exposed to outdoor burning conditions.  - health science research 2016.  24-25. 

nurhamidah farhana zulkarnain, nasuha othman, gina francesca gabriel, atiah ayunni abdul ghani, norwahida zamani, nurul huda abd karim & khairul osman.  (2017).  the effect of fingerprint composition degradation from outdoor location against time by using gc/ms.  - health science research 2016.  94-95. 

khairul osman, siti fatimah ibrahim.  (2017).  advances in andrology assessment : from lab to iot.  - advancement in research for sustainable health.  . 

gina francesca gabriel, sri pawita albakri amir hamzah, beh pei sia, khairul osman, amidon anan, muhamad hilmi baba, balkhis bashuri and noor hazfalinda hamzah.  (2017).  the development of eye shape photofit database of the chinese and malay population in malaysia.  - sm journal of forensic research and criminology.  1-4. 

farah hanan fathihah jaffar, khairul osman, jaya kumar & siti fatimah ibrahim.  (2017).  effect of alcohol consumption on the sperm dna integrity : a systematic review.  - journal of agricultural science.  136-144. 

zulaiha a. rahman, siti fatimah ibrahim, nurul atikah osman, farah hanan fathihah jaffar & khairul osman.  (2017).  effect of energy substrate dynamics on mitochondrial activity and oxidative stress levels of in vitro maturing bovine oocytes.  - journal of agricultural science.  14-23. 

nur hilwani ismail, khairul osman, farida zuraina mohd yusof, syarifah faezah syed mohamad, farah hanan fathihah jaffar & siti fatimah ibrahim.  (2017).  improvement of post-thaw sperm kinematics and dna integrity of cross-bred bovine sperm by incorporating dgc as selection method prior to cryopreservation.  - journal of agricultural science.  24-31. 

khairul osman, noraina mohd bakri, farah hanan fathihah jaffar, nurul atikah osman & siti fatimah ibrahim.  (2017).  the effect of density gradient centrifugation and magnetic-activated cell sorting with the combination of both on bovine spermatozoa kinematics, viability and acrosome status.  - journal of agricultural science.  73-78. 

noraina mohd bakri, siti fatimah ibrahim, nurul atikah osman, nurhaslina hasan, farah hanan fathihah jaffar, zulaiha abdul rahman, khairul osman.  (2016).  embryo apoptosis identification: oocyte grade or cleavage stage?.  - saudi journal of biological sciences.  50-55. 

seri mirianti ishar, jeyaganesan pillay a/l balaraman, muhammad jefri mohd yusof, khairul osman, lee loong chuen.  (2016).  screening of three different alleles of mtdna (g709a, g3496t, a3537g) in subpopulation of ukm students.  - malaysian journal of medical and biological research.  37-40. 

loong chuen lee, seow lay ying, wan nur syazwani wan mohamad fuad, ab aziz ishak, khairul osman.  (2016).  fast and simple forensic red pen ink analysis using ultra-performance liquid chromatography (uplc).  - malaysian journal of analytical sciences,.  224-230. 

choong-yeun liong, loong-chuen lee, khairul osman, and abdul aziz jemain.  (2016).  genetic algorithms for wavenumber selection in forensic differentiation of paper by linear discriminant analysis.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  effects of scatter-correction pre-processing methods and spectral derivative algorithms on forensic classification of paper.  - aip conference proceedings / johor bahru, malaysia.  1-9. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  comparison of several variants of principal component analysis (pca) on forensic analysis of paper based on ir spectrum.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  forensic differentiation of paper by atr-ftir spectroscopy technique and partial least squares-discriminant analysis (pls-da).  - aip conference proceedings / johor bahru, malaysia.  1-7. 

gina francesca gabriel, edison eukun sage, khairul osman, atiah ayunni abdul ghani, aziz ishak, pua hiang and noor hazfalinda hamzah.  (2016).  the physical and chemical characteristic of 30 soil samples from kuala lumpur and selangor: a discriminative study.  - forensic research & criminology international journal.  1-4. 

fayez a almabhouh, khairul osman, siti fatimah ibrahim, sergey gupalo, justin gnanou, effendi ibrahim, harbindar jeet singh.  (2016).  melatonin ameliorates the adverse effects of leptin on sperm.  - asian journal of andrology.  1-8. 

sri pawita albakri amir hamzah, muzaiyana safie, pua hiang, atiah ayunni abdul ghani, noor hazfalinda hamzah.  (2016).  fibres retention time on different type of recipient garments.  - malaysian journal of forensic sciences.  27-31. 

norhamizan hashim, khairul osman, siti fatimah ibrahim, rosliah harun & rafeah pakri mohamed.  (2016).  kesan psikostres terhadap kerosakan dna dan ketakormalan residu sitoplasma sperma manusia.  - sains malaysiana.  1931-1938. 

khairul osman, rafeah pakri mohamed, mohd hashim omar, siti fatimah ibrahim.  (2016).  smoking alters sperm chromatin intergrity and sperm count.  - 1st international research conference on engineering, science and humanities.  212-214. 

noraina mohd bakri, khairul osman, nurul atikah osman, nurhaslina hasan, farah hanan fathihah jaffar & siti fatimah ibrahim.  (2015).  pengaruh pengkelasan sel telur terhadap kematian sel telur lembu tersenyawa.  - impak.  . 

norhamizan hashim, khairul osman, siti fatimah ibrahim & rosliah harun.  (2015).  adakah stres mempengaruhi ketaknormalan sperma manusia?.  - impak.  . 

noraina mohd bakri, khairul osman, nurul atikah osman, nurhaslina hasan, farah hanan fathihah jaffar & siti fatimah ibrahim.  (2015).  the influence of the egg cell grades toward the death of cattle fertilized egg cell.  - impact.  . 

norhamizan hashim, khairul osman, siti fatimah ibrahim & rosliah harun.  (2015).  stress contribute to abnormality of the human sperm?.  - impact.  . 

wong lai hong, balkis bashuri, atiah ayunni abdul ghani, khairul osman, nor atika md ashar.  (2015).  a preliminary study of malay and chinese bite mark in ukm using dental wax.  - jurnal sains kesihatan malaysia.  1-5. 

loong chuen lee, karldiv tarvin singh shandu, nor syahirah mohamad razi, ab aziz ishak, khairul osman.  (2015).  forensic analysis of blue ballpoint pen inks using ultraviolet-visible spectrometer and ultra-performance liquid chromatograph.  - malaysian journal of analytical sciences.  397 - 401. 

loong chuen lee, intan shafiqa md yunus, wan nur syazwani wan mohamad fuad, ab aziz ishak, khairul osman.  (2015).  statistical discrimination of black ballpoint pen inks using ultra-performance liquid chromatography with principal component analysis.  - journal of analytical chemistry.  374-377. 

choong yeun liong, long chuen lee, khairul osman, abdul aziz jemain.  (2015).  al-khwarizmi genetik untuk pemilihan nombor gelombang dalam pembezaan forensik kertas dengan analisis diskriminan linear.  - siumposium kebangsaan sains matematik ke-23.  . 

loong chuen lee, chong yuen liong, khairul osman, abdul aziz jemain.  (2015).  kesan kaedah pra-pemprosesan pembetulan-serakan dan al-khwarizmi terbitan spektrum ke atas pengelasan forensik kertas.  - simposium kebangsaan sains matematik malaysia ke-23.  . 

lee long chuen, liong choong yuen, khairul osman, abdul aziz jemain.  (2015).  perbandingan beberapa varian analisis komponen utama (pca) ke atas analisis forensik terhadap kertas berdasarkan spektrum ir.  - simposium kebangsaan sains matematik malaysia ke-23.  . 

long chuen lee, choong yuen liong, khairul osman, abdul aziz jemain.  (2015).  pembezaan forensik kertas menggunakan teknik spektroskopi atr-ftir dan kuasa dua terkecil separa-analisis diskriminan (pls-da).  - simposium kebangsaan sains matematik malaysia ke-23.  . 

lc lee, cy liong, khairul osman, abdul aziz jemain.  (2015).  effects of preprocessing techniques in studying the variability of paper with ftir-atr spectroscopy and pca.  - national forensic science symposium (nfss) 2015 :.  . 

lee long chuen, liong choong yuen, khairul osman, abdul aziz jemain.  (2015).  effects of baseline correction algorithms on forensic classification of paper based on atr-ftir spectrum and pca.  - the 2nd international conference on statistics in science, business and engineering 2015 : empowering data analytics with mathematics, statistics and actuarial science.  . 

lee long chuen, liong choong yuen, khairul osman, abdul aziz jemain.  (2015).  mini review: forensic paper analysis.  - 7th asian forensic sciences network : annual meeting & symposium 2015.  . 

lee loong chuen, liong choong yuen, khairul osman, abdul aziz jemain.  (2015).  forensic classification of white paper based on atr-ftir spectrum and multivariate statistical technique.  - 7th asian forensic science network annual meeting & symposium 2015.  . 

khairul osman, noor amylia shafira binti mamat, seri mirianti ishar, atiah ayunni abdul ghani, balkhis bashuri, muhammad hilmi baba.  (2015).  preliminary study on dna integrity of evidence found on different surfaces being exposed to different environmental conditions.  - national forensic science symposium (nfss) 2015 : advancing forensic sciences.  . 

mohd saharul nizam, abdul rahim, kah haw, chang, nik fakhuruddin, nik hassan, khairul osman, ahmad fahmi lim, abdullah.  (2015).  forensic characterisation of copper wire as forensic evidence.  - national forensic science symposium (nfss) 2015 : advancing forensic sciences.  . 

muhammad jefri bin mohd yusof, khairul osman, seri merianti ishar, balkhis bashuri, norwahida zamani.  (2015).  qualitative study of temperature effects on mitochondorial dna degradation among malay students of faculty of science and technology, university kebangsaan malaysia.  - national forensic sciences symposium (nfss) : advancing forensic sciences.  . 

atika ashar, khairul osman & shafira begum mohamad noor.  (2015).  koleksi tengkorak haiwan.  - impak-edisi perubatan & kesihatan.  . 

atika ashar, khairul osman & shafira begum mohamad noor.  (2015).  the skull collectors.  - impact-medical & health edition.  . 

ismail m.i., osman k., ibrahim s.f., jaafar f.h.f., ghani n.a.a., zainalabidin f.a., othman a.m..  (2014).  development of single tubing-type canister for cryo-storage of bull semen and their effect on sperm motility and viability.  - brazilian archives of biology and technology.  194 - 199. 

nur amirah sulaiman, khairul osman, noor hazfalinda hamzah, sri pawita albakri amir hamzah.  (2014).  blunt force trauma to skull with various instruments.  - the malaysian journal of pathology.  33 - 39. 

solehah azman, amidon anan, hukil sino, muhamad hilmi baba, ahmad faridi b. firdaus, mohd yassin mohd yatim, atiah ayuni abdul ghani, khairul osman.  (2014).  analysis of gunshot residue presence and diameter of bullet hole on different surfaces.  - malaysian journal of forensic sciences.  12- 16. 

s.s.m. faezah, f.m.y zuraina, j.h.f. farah, o.khairul, n.i. hilwani, m.i. iswadi, c.n. fang, i.zawawi, o.m. abas and s.i. fatimah.  (2014).  the effects of magnetic separation on cryopreserved bovine spermatozoa motility, viability and cryo-capacitation status.  - zygote.  22(3):378-386. 

teo chee hau, sri pawita albakri amir hamzah,khairul osman, noor hazfalinda hamzah.  (2014).  total body score: a new scoring approach in assessment of post mortem changes.  - 6th asean congress of tropical medicine parasitology (acmtp 2014).  . 

khairul osman, nurhaslina hassan, siti fatimah ibrahim, chew fang nang & zawawi ismail.  (2013).  viability selection of bovine oocyte using annexin-v assay.  - journal of agricultural science.  5(6):141-145. 

wong ys, khairul o, atiah aag, abdul aziz i, muhd. hilmi b, noor hazfalinda h, sri pawita albakri ah.  (2013).  porcine model: differences in entry and exit wounds by semi-automatic pistol at different shooting distances.  - malaysian journal of forensic sciences.  4(1):7-14. 

siti fatimah ibrahim, athifah ariff johor, farahwahida othman, lee pei yee, mohamad firdaus yahaya, farah hanan fatihah jaafar, noraina mohd bakri & khairul osman.  (2013).  albumin-v: role in bovine spermatozoa viability, motility and membrane elasticity.  - journal of agricultural science.  5(3):83-89. 

chee hauteo, sri pawita amir hamzah, khairul osman, atiah ayunni abdul ghani and noor hazfalinda hamzah.  (2013).  post mortem changes in relation to different types of clothing.  - the malaysian journal of pathology.  35(1):77-85. 

teo chee hau, khairul osman, sri pawita albakri amir hamzah, noor hazfalinda hamzah.  (2013).  total body score: a new method in estimating post mortem interval.  - the 11th indo pacific association of law, medicine and science congress 2013 : globalization in forensics.  . 

khairul osman , siti fatimah ibrahim , nor azlina zakaria , mohd iswadi ismail , amat aswadi abd karim and zawawi ismail.  (2012).  effects of alpha lipoic acids on cattle sperm kinetics using computer assisted semen analysis.  - research journal of biological sciences.  7(2) : 73-77. 

k osman, cf nang, sf ibrahim, sb budin, fhf jaffar, naa wahab.  (2012).  albumin improved spermatozoa quality and dna integrity for freezing-free preservation.  - international journal of biological & medical research.  3(2):1670-1679. 

rafina mimi muhamad, pua hiang, atiah ayunni abdul ghani, balkhis bashuri, abdul aziz ishak & khairul osman.  (2012).  hubungan antara ciri-ciri rambut dan dua etnik terbesar di malaysia.  - jurnal sains kesihatan malaysia.  10(2):19-23. 

neo xiao xu, khairul osman, sri pawita albakri amir hamzah, noor hazfalinda hamzah.  (2012).  lip prints in sex and race determination.  - jurnal sains kesihatan malaysia.  10(1):29-33. 

a.a. sharifa, j. jamaludin, l.s. kiong, l.a. chia & k. osman.  (2012).  anti-urolithiatic terpenoid compound from plantago major linn. (ekor anjing).  - sains malaysiana.  41(1):33-39. 

c. f. nang, k. osman, s. b. budin, m. i. ismail, f. h. f. jaffar, s. f. s. mohamad & s. f. ibrahim.  (2012).  bovine serum albumin: survival and osmolarity effect in bovine spermatozoa stored above freezing point.  - andrologia.  44(S1):447-453. 

teo chee hau, khairul osman, sri pawita albakri amir hamzah, noor hazfalinda hamzah.  (2012).  post mortem changes in relation to different types of clothing.  - pertandingan poster penyelidikan sempena sambutan 20 tahun fsk.  . 

nur amirah, s, khairul, o, noor hazfalinda, h, sri pawita albakri , a.  (2012).  blunt force trauma to skull with various instruments.  - pertandingan poster penyelidikan sempena sambutan 20 tahun fsk pada 17-18 oktober 2012.  . 

normaizatul afizah ismail, phang sook fun, khairul osman, sri pawita albakri amir hamzah, noor hazfalinda hamzah, ab halim mansar.  (2011).  stature and sex estimation using foot measurements for malays and chinese in malaysia.  - jurnal sains kesihatan malaysia.  9(2):23-28. 

siti fatimah ibrahim, farah hanan fathihah jaffar, khairul osman, syarifah faezah syed mohamed, chew fang nang, nur hilwani ismail, and mohd iswadi ismail.  (2011).  bull spermatozoa motility : optimization of coenzyme q10 and alpha-lipoic acid concentration.  - the iioab journal.  2(5):8-13. 

amal hayati zainal abidin, khairul osman, sri pawita albakri amir hamzah, noor hazfalinda hamzah, ab halim mansar & normaizatul afizah ismail.  (2011).  stature approximation of malays, chinese, and indian in malaysia using radiography of femur, tibia and fibula.  - jurnal sains kesihatan masyarakat.  9(1):45-50. 

fawwaz s. al-joudi, fahme a. k. kaid, ismarulyusda ishak, norhazilah mohamed, kairol osman, iskandar zulkarnain alias.  (2011).  expression of human mammaglobin and clinicopathologic correlations in breast cancer: the findings in malaysia.  - indian journal of pathology and microbiology.  54(2):284-289. 

puan hiang, siti zaimah zainal, khairul osman, lee loong chuen.  (2011).  forensic discrimination of different brands of blue ballpoint pen inks using hplc.  - 2nd international forensic science symposium.  . 

fatimah, is; iswadi, im; khairul, o; nurhazilah, m; fadzilah, ms; padzil, arm; srijit, d; mazni, oa.  (2010).  a preliminary study of reactive oxygen species activity within motile boer buck sperm using confocal laser scanning microscope (clsm).  - clinica terapeutica.  161(2):125-128. 

laila suryani elias, eng may lin, ang wee chin, abd aziz tajuddin, shantini a.arasaratnam, suraya aziz, khairul osman & kanaga kumari chellian.  (2010).  pengoptimuman parameter dedahan dalam mamografi digital medan penuh menggunakan rajah merit.  - sains malaysiana.  39(2):299-303. 

zahara abdul manaf, c.c lee, siti fatimah ibrahim, poh bee koon, khairul osman, srijit das, j. mohammad.  (2010).  plasma vitamin c and tocotrienols changes in response to dietary supplementation among young male adults.  - clinica terapeutica.  161(2):121-124. 

rumiza, a.r., khairul, o., zuha, rm., heo, c.c..  (2010).  an observation on the decomposition process of gasoline-ingested monkey carcasses in a secondary forest in malaysia.  - tropical biomedicine.  27(3):373-383. 

wan nurhayati, w.h., farida zuraina, m.y., khairul, o..  (2009).  patterns of human diversity in malaysia inferred from alu insertion polymorphism.  - malaysian applied biology.  38(1): 37-42.. 

raja muhammad zuha, khairul osman, rogayah abu hassan, mohd nazli ab. hamid, syamsa rizal abdullah, ahmad firdaus m.s., baharudin omar.  (2009).  succession pattern of adult dipterans on a monkey carcass at forensic science simulation site, faculty of allied health sciences, universiti kebangsaan malaysia, bangi.  - abstrak book international scientific conference.  . 

siti balkis budin, faizah othman, s.r.louis, m.abu bakar, m.radzi, k.osman, s.das, j.mohamed.  (2009).  effect of alpha lipoic acid on oxidative stress and vascular wall of diabetic rats.  - romanian journal of morphology and embryology.  23-30. 

zuha, rm; kurahashi, h; chin, hc; osman, k; rashid, ra; abu hassan, r; abdullah, sr; salleh, afm; marwi, ma; omar, b.  (2009).  myospila pudica pudica (stein, 1915) (diptera: muscidae) in peninsular malaysia and its ocurrence on a monkey carrion.  - tropical biomedicine.  26(2):216-218. 

ismarulyusda ishak, jamaludin mohamed, khairul osman, zaleha md isa, zakiah ismail, mohd fairulniza mohd noor & osman ali.  (2009).  status selenium serum populasi di daerah hulu langat, selangor, malaysia.  - sains malaysiana.  38(4):473-481.