thinakaran kandayah , nazarudin safian, shamsul azhar shah, mohd rizal abdul manaf.  (2023).  challenges in the management of sarcopenia in the primary care setting: a scoping review.  - international journal of environmental research and public health.  1-9. 

miaw yn jane ling, ahmad farid nazmi abdul halim, dzulfitree ahmad, norfazilah ahmad, nazarudin safian and azmawati mohammed nawi.  (2023).  prevalence and associated factors of e-cigarette use among adolescents in southeast asia: a systematic review.  - international journal of environmental research and public health.  1-16. 

mohamed afiq hidayat z, raja zahratul azma rs, darnina aj, azlin i, najiah-ajlaa a, hafiza a, norunaluwar j, alina mf, fook choe cheah, lee sim lim, nazarudin s, malisa moh y, ainoon o.  (2023).  evaluation of quantitative point-of-care test for measurement of glucose-6-phosphate dehydrogenase enzyme activity in malaysia.  - malaysian journal of pathology.  31-41. 

ruslinda mustafar, theepa nesam, lydia kamaruzaman, rozita mohd, norlela sukor, nazarudin safian, arbaiyah ba'in.  (2023).  serum vitamin d levels among immunoglobulin a nephropathy patients and the associated parameters.  - medical journal of malaysia.  86-91. 

diana safraa selimin, nazarudin safian, mohd rohaizat hassan, mohd rizal abdul manaf and qistina mohd ghazali.  (2023).  effectiveness of sugar sweetened beverages tax on health and healthcare costs: a systematic review.  - international journal of public health research.  1792-1807. 

azmawati mohammed nawi, noor azreen masdor, rahayu othman, thinakaran kandayah, norfazilah ahmad, nazaruddin safian.  (2023).  survival rate and prognostic factors of localised prostate cancer in southeast asian countries: a systematic review with meta-analysis.  - asian pacific journal of cancer prevention.  2941-2950. 

puteri sofia nadira megat kamaruddin, azmawati mohammed nawi, mohamad nurman yaman, rajiv chowdhury, nazarudin safian, mohd shawal faizal mohamad and abdul muizz abd malek.  (2023).  translation, cross-cultural adaptation, and developing malay questionnaires to measure health empowerment for patients with ischaemic heart disease (ihd): a validation study.  - malaysian journal of public health medicine.  112-123. 

muhammad faid mohd rizal, mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, khairul nizam abdul maulud, feisul idzwan mustapha, lance a. waller.  (2023).  machine learning techniques for type 2 diabetes mellitus risk factor prediction: a review.  - 25th medical and health research week 2023.  41. 

muhammad faid mohd rizal, mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, khairul nizam abdul maulud, feisul idzwan mustapha, lance a. waller.  (2023).  overview of machine learning algorithms on predicting type 2 diabetes mellitus and hypertension risk factors in southeast asia countries.  - 23rd. national public health colloquium 2023.  66. 

mohd rizal abdul manaf, kurubaran ganasegeran, nazarudin safian, lance a. waller, feisul idzwan mustapha, khairul nizam abdul maulud, muhammad faid mohd rizal.  (2023).  how spatial structure of diabetes changed with urban population growth and density in malaysia?.  - journal of health science and medical research.  64. 

wan abdul hannan wan ibadullah, nazarudin safian, mohd rizal abdul manaf, mohd 'ammar ihsan ahmad zamzuri, juliana mansor, shamsul azhar shah.  (2023).  cost-effectiveness of community-based hypertension prevention programs: a systematic review.  - international medical journal.  61-68. 

mohd rohaizat hassan, nor rumaizah mohd nordin, firdaus hayati, nazarudin safian, hani kartini agustar, siti khairani bejo, rahmat dapari, syed sharizman syed abdul rahim, zahir izuan azhar, mohammad saffree jeffree.  (2023).  community's knowledge, attitude and practice toward leptospirosis and its prevention and control: a systematic review.  - open access macedonian journal of medical sciences.  136-144. 

shamsul azhar shah, megumi rosenberg, dzulfitree ahmad, saharudin ahmad, nazarudin safian, yugo shobugawa.  (2022).  prevalence and determinants of unmet needs for hypertension care among the older population in selangor: cross-sectional study.  - health research policy and systems.  1-14. 

zulkefley mohammad, shamsul azhar shah, nazarudin safian, siti nordiana dollah, siti rohani nurumal.  (2022).  prevalence, risk and protective factors of mild cognitive impairment among male military veterans in malaysia.  - international medical journal.  333-338. 

theepa nesam, ruslinda mustafar, lydia kamaruzaman, rozita mohd, norlela sukor, nasaruddin safian, abdul halim, arbaiyah bain.  (2022).  serum vitamin d level among immunoglobulin a nephropathy patients and it's association with clinical parameters.  - kidney international reports.  S60-S61. 

anaanthan bhuvanendran pillai, chin mun wong, noor dalila inche zainal abidin, sharifah fazlinda syed nor, mohd fathulzhafran mohamed hanan, siti rasidah abd ghani, nurul afzan aminuddin, nazarudin safian.  (2022).  chlamydia infection as a risk factor for cervical cancer: a systematic review and meta-analysis.  - iranian journal of public health.  508-517. 

punitha makeswaran, shamsul azhar shah, nazarudin safian, nor asiah muhamad, abdul aziz harith.  (2022).  determinants of delayed tuberculosis treatment among patients in selangor: a study protocol.  - plos one.  1-11. 

puteri sofia nadira megat kamaruddin, azmawati mohammed nawi, rajiv chowdhury,nazarudin safian, mohd shawal faizal mohamad, mohamad nurman yaman, abdul muizz abd malek.  (2022).  translation, cross cultural adaptation and validation of questionnaires in malay version to measure the factors of health empowerment for ischaemic heart disease (ihd) patients.  - iphc 2022.  75. 

shamsul azhar shah, nazarudin safian, zulkefley mohammad, siti rohani nurumal, wan abdul hannan wan ibadullah, juliana mansor, saharuddin ahmad, mohd rohaizat hassan, yugo shobugawa.  (2022).  factors associated with handgrip strength among older adults in malaysia.  - journal of multidisciplinary healthcare.  1023-1034. 

anaanthan bhuvanendran pillai, nazarudin safian.  (2022).  response comment on "chlamydia infection as a risk factor for cervical cancer: a systematic review and meta-analysis".  - iranian journal of public health.  1442-1443. 

nazarudin safian, mazriazie mohamed isa, mohd rohaizat hassan.  (2021).  pencegahan penyakit zoonosis: pemilik haiwan kesayangan.  - .  265. 

nazarudin safian, shamsul azhar shah, juliana mansor, zulkefley mohammad, siti rohani nurumal, wan abdul hannan wan ibadullah, saharuddin ahmad and yugo shobugawa.  (2021).  factors associated with the need for assistance among the elderly in malaysia.  - international journal of environmental research and public health.  1-14. 

mohd rizal a. manaf, azmawati md nawi, noorlaili md tauhid, hanita othman, md rizam a. rahman, hanizah md yusoff, nazaruddin safian, pei yuen ng, zahara a. manaf, nor bayah abd kadir, kevina yanasegaran, siti munirah abd basir, sowmya r., kurubaran g..  (2021).  prevalence of metabolic syndrome and its associated risk factors among staffs in a malaysian public university.  - scientific reports.  1-11. 

m rizal a manaf, md al-amin shaharuddin, azmawati md nawi, noorlaili m tauhid, hanita o, m rizam a rahman, hanizah m yusoff, nazarudin safian, pei y n, zahara a manaf, nor bayah a kadir, kevina y, s munirah a basir, sowmya r, m izhar ariff, kurubaran g..  (2021).  perceived symptoms of depression, anxiety and stress amongst staff in a malaysian public university: a workers survey.  - international journal of environmental research and public health.  1-13. 

md rizal a manaf, azmawati md nawi, noorlaili md tauhid, hanita othman, md rizam a rahman, hanizah md yusoff, nazarudin safian, pei yuen ng, zahara a manaf, nor bayah a kadir, kevina y, siti munirah a basir, sowmya r, md izhar ariff, kurubaran g.  (2021).  factors associated with health related quality of life amongst employees in a malaysian public university.  - international journal of environmental research and public health.  1-19. 

sharifah saffinas syed soffian, nazarudin safian, azmawati mohammed nawi, shahrul bariyah ahmad, huan-keat chan, muhammad radzi abu hassan.  (2021).  rate and associated factors of refusal to perform immunochemical faecal occult blood test (ifobt) among semi-urban communities.  - plos one.  1-11. 

abdullah aliff abdul wahab, rosnah ismail, halim ismail and nazarudin safian.  (2021).  effectiveness of phone reminders to improve adherence to anti-retroviral therapy: a meta-analysis.  - international journal of public health research.  1407-1417. 

mohd farihan md yatim, aishah hani azil, nazarudin safian, ahmad firdaus mohd salleh, mohd khadri shahar.  (2021).  comparative analyses on synthetic membranes for artificial blood feeding of aedes aegypti using digital thermo mosquito blood feeder (ditmof).  - pertanika journal of science & technology.  2073-2086. 

shamsul azhar shah, norzaher ismail, syafiq taib, siti nor mat & nazarudin safian.  (2021).  survival analysis and prognostic factors for prostate cancer patients at universiti kebangsaan malaysia medical centre, kuala lumpur.  - sains malaysiana.  1367-1379. 

shamsul azhar shah, nazarudin safian, saharuddin ahmad, wan abdul hannan wan ibadullah, zulkefley bin mohammad , siti rohani nurumal, juliana mansor, mohd fairuz addnan and yugo shobugawa.  (2021).  factors associated with happiness among malaysian elderly.  - international journal of environmental research and public health.  1-11. 

fadzrul hafiz johani, shamsul azhar shah, nazarudin safian.  (2021).  validity and reliability of biopsychosocial-related measurement scales among low-income malaysian smoker.  - global journal of public health medicine.  301-314. 

safirah jaan jaafar, khamisah awang lukman, nazarudin safian, than myint, swe, mohd rohaizat hassan, rosnah sutan, wong chin mun, mohammad saffree jeffree.  (2021).  unsafe sexual behaviour among hiv-positive msm participating in community-based treatment adherence peer support program.  - malaysian journal of public health medicine.  239-243. 

lokman rejali, shamsul azhar shah, norzaher ismail,syafiq taib, siti nor mat, mohd rohaizat hassan, nazarudin safian.  (2020).  determining method for dengue epidemic threshold in negeri sembilan, malaysia.  - international journal of public health research.  1228-1241. 

syed sharizman syed abdul rahim, shamsul azhar shah, shaharudin idrus, zahir izuan azhar, mohd rohaizat hassan, nazarudin safian.  (2020).  spatial analysis of food and waterborne diseases in sabah, malaysia.  - sains malaysiana.  1627-1638. 

norzaher ismail*, shamsul azhar shah, nazarudin safian, syafiq taib , siti nor mat.  (2020).  internal consistency study of eortc qlq-c30 and qlq-pr25 questionnaires for quality of life assessment among prostate cancer patients in a university hospital , kuala lumpur malaysia.  - international journal of public health research.  1158-1165. 

siew wen goh, adawiyah jamil, nazarudin safian, norazirah md nor, norliza muhammad, nur liyana saharudin.  (2020).  a randomized half-body, double blind, controlled trial on the effects of a ph-modified moisturizer vs. standard moisturizer in mild to moderate atopic dermatitis.  - anais brasileiros de dermatologia.  320-325. 

syed sharizman syed abdul rahim, shamsul azhar shah, mohammad saffree jeffree, zahir izuan azhar, mohd rohaizat hassan, nazarudin safian & narinderjeet kaur.  (2020).  factors of acute diarrhoea among children of under five years old in sabah, malaysia: a case-control study.  - indian journal of public health research & development.  865-870. 

mohd farihan md yatim, nazarudin safian, ahmad firdaus mohd salleh, aishah hani azil.  (2019).  evaluation of ammonia-based solutions as oviposition attractants for aedes aegypti mosquitoes.  - 55th annual scientific conference of the malaysian society of parasitology and tropical medicine.  27. 

syed sharizman syed abdul rahim, shamsul azhar shah, zahir izuan azhar, mohammad saffree jeffree, mohd rohaizat hassan, nazarudin safian.  (2019).  spatial analysis of food poisoning cases and its environmental relations in sabah, malaysia.  - 1st international borneo healthcare and public health conference & 4th borneo tropical medicine and infectious disease congress.  4. 

syed sharizman syed abdul rahim, shamsul azhar shah, zahir izuan azhar, mohammad saffree jeffree, mohd rohaizat hassan, nazarudin safian.  (2019).  spatial clustering of cholera in sabah, malaysia.  - 1st international borneo healthcare and public health conference & 4th borneo tropical medicine and infectious disease congress.  61. 

mohd farihan md yatim, nazarudin safian, ahmad firdaus mohd salleh, aishah hani azil.  (2019).  a novel automated mosquito blood feeder for mosquito rearing in the laboratory.  - kolokium saintifik entomologi & pest 2019.  13. 

theepa nesam, ruslinda mustafar, lydia kamaruzaman, norlela sukor, nazarudin safian, arbaiyah bain.  (2019).  effects of oral calcitriol in the treatment of biopsy-proven immunoglobulin a nephropathy: an open label randomised control clinical trial.  - journal of clinical and translational nephrology.  S16. 

muhammad faiz mohd ishak, mohd shahrol abd wahil, haniff mohd nawi, mohd rohaizat hassan, nazarudin safian, azmawati mohammed nawi, norfazilah ahmad.  (2019).  the effectiveness of the long-lasting insecticide nets in controlling malaria vector: a meta-analysis of experimental hut studies.  - 8th international public health conference.  158. 

mohd rohaizat hassan, muhammad afham azman, chong li yong, tengku mardhiah tengku nazmi, nurul najwa abdul rashid, wan nur alya shaqeera wan azmi, nazarudin safian, noriah hajib, al-abed ali ahmed al-abed and hasanain faisal ghazi.  (2019).  knowledge and perception towards supplementary immunization activities (sia) among mothers in cheras, kuala lumpur.  - malaysian journal of public health medicine.  126-131. 

mohd fadhli mohd fauzi, hanizah mohd yusoff, mohd rizal abd manaf, nazarudin safian, muhammad aklil abd rahim, mohd faizal madrim, azman atil @ azmi, ammar amsyar abdul haddi and nur adibah mat saruan.  (2019).  intervention for occupational fatigue and sleepiness among healthcare workers working in shift: a systematic review.  - malaysian journal of public health medicine.  47-53. 

mohd fadhli mf, safian n, robat rm, nur adibah ms and hanizah my.  (2018).  needlestick injury cases and adherence to the follow-up protocol among healthcare workers in selangor.  - malaysian journal of public health medicine.  . 

saffree mohammad jeffree, kamruddin ahmed, nazarudin safian, rohaizat hassan, omar mihat, khamisah awang lukman, shamsul bahari shamsudin, fadzilah kamaludin.  (2018).  falciparum malaria outbreak in sabah linked to an immigrant rubber tapper.  - american journal of tropical medicine and hygiene.  45-50. 

asrul bin abdul wahab, ding chuan hun, nazarudin safian, azlin muhammad@mohd yasin, yasmin anum mohd. yusof, emilia osman, farah hanan fathihah jaffar.  (2018).  waterbomb.  - .  1-24. 

darnina aj, azlin i, azma rz, alina mf, mimi-azura a, cheah fc, nazarudin s, najiah-ajlaa a, malisa my, norunaluwar j and ainoon o..  (2018).  point-of-care quantitative measure of g6pd enzyme activity.  - global globin 2020 challenge conferences precision medicine in thalassemia.  . 

darnina abd jalil, azlin ithnin, raja zahratul azma, mimi azura aziz, cheah foo choe, nazarudin safian, najiah ajlaa ayub, malisa mohd yusoff, and ainoon othman..  (2017).  evaluaton of poct (point of care testing); carestart biosensor; single kit and carestart biosensor 1; combo kit vs the standard reference method (osmmr2000d) in the quantification of g6pd enzyme level.  - 14th annual scientific meeting, malaysian society of haematology.  . 

mohd rohaizat hassan,mohd hafiz yahya,normala basiron,zairizam zakaria,mohd rizam abdul rahman,hazlina mohd miskam,sazman wahab,norfazilah ahmad,azmawati mohammed nawi and nazarudin safian.  (2017).  factors affecting mothers perception towards children with cleft deformity.  - medicine & health.  112. 

dr azlin muhammad, yasmin anum mohd yusof, dr emelia osman, dr farah hanan fathihah jaafar, dr asrul wahab, dr nazarudin safian.  (2017).  pbl creepy migration.  - .  2-30. 

mohd rohaizat hassan,mohd hafiz yahya,normala basiron,zairizam zakaria,mohd rizam abdul rahman,hazlina mohd miskam,sazman wahab,norfazilah ahmad,azmawati mohammed nawi and nazarudin safian.  (2017).  faktor-faktor yang mempengaruhi persepsi ibu terhadap kanak-kanak dengan kecacatan klef.  - international journal of public health research.  836-844. 

mohd rohaizat hassan, mohd fadhli samsuri, shamsul azhar shah, nazarudin safian, zulkifli md zainuddin, hasanain faisal ghazi.  (2017).  prevalence of premature ejaculation and erectile dysfunction and their associated factors among urban and rural population of malaysia.  - malaysian journal of public health medicine.  86-96. 

chong li yong, muhammad afham azman, tengku mardhiah tengku nazmi, nurul najwa abdul rashid, wan nur alya shaqeera wan azmi, nazarudin safian, noriah hajib, mohd rohaizat hassan.  (2017).  knowledge and perception towards ards supplementary immunisation activities (sia) among mothers in cheras, kuala lumpur.  - 9th medical undergraduates annual scientific research meeting (muasrm).  . 

zahir izuan azhar, ahamad jusoh, syed sharizman syed abdul rahim, mohd rohaizat hassan, nazarudin safian, shamsul azhar shah.  (2016).  temporal spatial distribution of dengue and implications on control in hulu langat, selangor, malaysia.  - dengue bulletin.  19-31. 

mohd rohaizat hassan, m.k.b. muzaitul akma, hasanain faisal ghazi, zaleha md. isa, mohd fadhli samsuri, nazarudin safian and shamsul azhar shah.  (2016).  knowledge, attitude and practice of asthma food taboos and its associated factors among asthmatic patients in pahang state, malaysia.  - pakistan journal of nutrition.  686-692. 

mohd rohaizat hassan, hassanain faizal ghazi, ahlam s mohamed, nazarudin safian, saladina jaszle jasmin.  (2016).  breast self screening among university students in malaysia.  - 6th international public health conference.  . 

noorsuzana mohd shariff ;nazarudin safian.  (2015).  diabetes mellitus and its influence on sputum smear positivity at the 2nd month of treatment among pulmonary tuberculosis patients in kuala lumpur, malaysia: a case control study.  - international journal of mycobacteriology.  323-329. 

mohd rohaizat hassan ; hasanain faisal ghazi ; nur syazana umar ; norzaleha masri ; sameeha mohd jamil ; zaleha md. isa ; nazarudin safian.  (2015).  knowledge, attitude and practice of healthy eating and associated factors among university students in selangor, malaysia.  - pakistan journal of nutrition.  892-897. 

tiba nezar hasan; shamsul azhar shah;mohd rohaizat hassan; nazarudin safian; zahir azuan azhar;syed sharizman syed abdul rsahim and hasanain faisal ghazi.  (2015).  poor knowledge and practice towards breast cancer among women in baghdad city, iraq.  - asian pacific journal of cancer prevention.  6669-6672. 

shamsul azhar shah, hui-min neoh, syed sharizman syed abdul rahim, zahir izuan azhar, mohd rohaizat hassan, nazarudin safian, rahman jamal.  (2014).  spatial analysis of colorectal cancer cases in kuala lumpur.  - asian pacific journal of cancer prevention.  15(3):1149-1154. 

shamsul as, mohd rohaizat h, muholan k, noor zaiha h, ang wc, sei fs, zulfadli mh, nurul husna ar, azimatun noor a, rozita h, nazarudin s.  (2013).  quality of life and its influencing factors among physically disabled teenagers in kuala lumpur, malaysia.  - malaysian journal of public health medicine.  13(2):11-19. 

shamsul azhar shah, azura abdullah, azimatun noor aizuddin, mohd rohaizathassan, nazarudin safian, rozita hod, rahmah mohd amin.  (2012).  psycho-behavioural factors contributing to truancy among malay secondary school students in malaysia.  - asean journal of psychiatry.  13(2):128-137. 

shamsul azhar shah, hiroshi suzuki, mohd rohaizat hassan, reiko saito, nazarudin safian & shaharudin idrus.  (2012).  spatial analysis of environmental factors influencing typhoid endemicity in kelantan, malaysia.  - sains malaysiana.  41(7):911-919. 

shamsul azhar shah, jamiatul aida mohd sani, mohd rohaizat hassan, nazarudin safian, azimatun noor aizuddin & rozita hod.  (2012).  relationships between aedes indices and dengue outbreaks in selangor, malaysia.  - dengue bulletin.  36:166-174. 

shamsul azhar s,nirmal k, nazarudin s, rohaizat h, azimatun noor a,rozita h.  (2012).  factors influencing childhood immunization defaulters in sabah, malaysia.  - international medical journal malaysia.  11(1):17-22. 

ramsamy gunasekaran, ,oteh maskon, hamat h. che hassan, nazarudin safian, and rajalingham sakthiswary.  (2012).  left atrial volume index is an independent predictor of major adverse cardiovascular events in acute coronary syndrome.  - canadian journal of cardiology.  28(5):561-566. 

shamsul as, mohd rohaizat h, nazarudin s, norma s, haidar rizal t, afzaninawati suria y, zaliza s.  (2011).  dengue cluster monitoring using geographical information system (gis) in seremban, negeri sembilan.  - medicine & health.  273. 

mohd rohaizat h, saharudin a, nizam b, suhaida ms, morsafinaz m, eva nabiha z, nazarudin s..  (2011).  erectile dysfunction amongst men with diabetes mellitus in a primary healthcare setting, malaysia.  - medicine & health.  217. 

rahmah abdul rahman, nurul syuhadab jamil, ooi lee ying, mobd ridzuan anuar, wong jenn yang, nazarudin safian.  (2011).  survival analysis of colorectal carcinoma patients in universiti kebangsaan malaysia medical centre (ukmmc) from 2004 until 2010.  - 3rd medical undergraduates` annual scientific research meeting.  . 

azmawati mn, nazarudin s, norfazilah a, noor hassim i, mohd rohaizat h.  (2011).  knowledge, attitude and practice of influenza a (h1n1) among rural community in malaysia.  - medicine & health.  216. 

rozita hod, azimatun noor aizuddin, shamsul azhar shah, mohd rohaizat hassan, nazarudin safian, mohd hasni jaafar.  (2011).  chlorpyrifos blood level and exposure symptoms among paddy farmers in sabak bernam, malaysia.  - international journal of public health research.  1(1) :1-6. 

norfazilah a, nazarudin s, azmawati mn, noor hassim i, mohd rohaizat h.  (2011).  knowledge, attitude and practice (kap) on questionaire on influenza a h1n1: a validaty and reliability assesment.  - journal of community health.  17(Suppl 1):31. 

noorsuzana mohd shariff & nazarudin safian.  (2010).  factors influencing sputum smear conversion among pulmonary tuberculosis patients - a preliminary analysis.  - journal of community health.  16(Suppl 1 ):42. 

nazarudin safian, shamsul azhar shah, shaharudin idrus, wan mansor hamzah.  (2008).  cluster analysis of typhoid cases in kota bharu, kelantan, malaysia.  - medical journal indonesia.  7(3):175-182.