Penerbitan Terkini

azmawati mohammed nawi, azimatun noor aizuddin, rozita hod, norfazilah ahmad, faiz daud, sharifah azura salleh, najma kori, petrick periyasamy, mohd rohaizat hassan, hanafiah harunarashid, kamaruzaman jusoff & mohd afiq arifin.  (2021).  managing covid-19 pandemic in teaching hospitals: an early preparedness setting (pengurusan pandemik covid-19 di hospital pengajar: suatu penetapan persediaan awal).  - sains malaysiana.  1165-1173. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah ,muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2021).  16s rrna gene next-generation sequencing (16sngs) for bacterial pathogen identification: pilot study in a malaysian teaching hospital.  - international journal of infectious diseases.  180-203. 

putri sabrina mohamed yusoff, norsyahida arifin, petrick periyasamy, nor rafeah tumian, fuad ismail, raja zahratul azma raja sabudin, rahmah noordin, noor wanie hassan, emelia osman.  (2021).  the diagnostic value of blood-based pcr for identification of extraintestinal microsporidiosis in immunocompromised patients.  - monash initiate: inaugural monash international health science and technology conference.  136. 

afifah aqilah abdul malik, petrick periyasamy, najma kori, asrul abdul wahab, chuan hun ding.  (2021).  a spuriously negative cryptococcal antigen assay result in disseminated cryptococcosis: the deception of the postzone phenomenon.  - annals of clinical & laboratory science.  430-433. 

nurul adilla hayat jamaluddin, petrick periyasamy, chee lan lau, sasheela ponnampalavanar, pauline siew mei lai, ramliza ramli, toh leong tan, najma kori, mei kuen yin, nur jannah azman, rodney james, karin thursky and isa naina mohamed.  (2021).  point prevalence survey of antimicrobial use in a malaysian tertiary care university hospital.  - antibiotics.  1-13. 

juen kiem tan, dalleen leong, hemalatha munusamy, nor hazwani zenol ariffin, najma kori, rozita hod, petrick periyasamy.  (2021).  the prevalence and clinical significance of presymptomatic covid-19 patients: how we can be one step ahead in mitigating a deadly pandemic.  - bmc infectious diseases.  1-10. 

shamira shahar, ruslinda mustafar, lydia kamaruzaman, petrick periyasamy, kiew bing pau, ramliza ramli.  (2021).  catheter-related bloodstream infections and catheter colonization among haemodialysis patients: prevalence, risk factors and outcomes.  - international journal of nephrology.  1-9. 

d. muhamad, p. periyasamy, r. ramli, l. chee lan, r. abdul rahman.  (2021).  impact of infectious diseases specialists in intensive care unit on antimicrobial utilization and patient outcomes.  - international journal of infectious diseases.  113. 

ahmad izuddin mustaffa, petrick periyasamy, lau chee lan, ramliza ramli, najma kori,.  (2021).  the overly attached bacteria.  - international journal of infectious disease.  167-168. 

petrick periyasamy, navaneedha lingam mahalingam, najma kori, andrea ban yu lin, ramliza ramli, isa naina mohamed, lau chee lan.  (2021).  time to clinical stability in hcap in a tertiary center hospital in kuala lumpur.  - international journal of infectious diseases.  106. 

azlina ibrahim, isa naina mohamed, lau chee lan, ramliza ramli, najma kori, petrick periyasamy.  (2021).  an observational prospective study on the appropriateness of ceftriaxone use in medical wards of ppukm.  - international journal of infectious diseases (ijid).  104. 

ilyana mohd zuhudi, wan rahiza wan mat, lau chee lan, ramliza ramli, petrick periyasamy, raha abdul rahman.  (2021).  evaluation of antimicrobial stewardship program in the general intensive care unit of a teaching hospital.  - annual scientific congress 2021.  56. 

petrick periyasamy, ng boon hau, umi kalsom satariah ali, zetti zainol rashid, najma kori.  (2021).  aerosolized sars-cov-2 transmission risk: surgical or n95 masks?.  - infection control & hospital epidemiology.  1150-1152. 

putri sabrina mohamed yusoff, norsyahida arifin, petrick periyasamy, nor rafeah tumian, fuad ismail, raja zahratul azma raja sabudin, rahmah noordin, noor wanie hassan, emelia osman.  (2021).  the diagnostic value of blood-based pcr for diagnosis of disseminated microsporidiosis in immunocompromised patients.  - 57th annual scientific conference of the malaysia society of parasitology and tropical medicine.  93. 

norfazilah ahmad, norzehan fatimah mohd ali, azmawati mohammed nawi, mohd rohaizat hassan, azimatun noor aizuddin, rozita hod, faiz daud, sharifah azura salleh, petrick periyasamy, abdul halim abdul gafor, najma kori.  (2021).  clinical characteristics of patients with coronavirus disease 2019 (covid-19) in a teaching hospital in malaysia.  - journal of infection in developing countries.  1059-1065. 

wan rohaslizan wan daud, ruslinda mustafar, muhammad yusuf abu shamsi, lydia kamaruzaman, petrick periyasamy, junaida che ani.  (2021).  confronting the pandemic, reconfiguration nephrology services: narrative report form a teaching hospital- universiti kebangsaan malaysia.  - 36th annual congress of malaysian society of nephrology.  144. 

yusuf abu shamsi, wan rohaslizan wan daud, lydia kamaruzaman, ruslinda mustafar, rozita mohd, petrick periyasamy, abdul halim abdul gafor.  (2021).  the characteristics and outcome of covid-19 patients with acute kidney injury: a single center experience.  - 36th annual congress of malaysian society of nephrology.  138. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah, muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2020).  advantages and limitations of 16s rrna next-generation sequencing for pathogen identification in the diagnostic microbiology laboratory: perspectives from a middle-income country.  - diagnostics.  1-19. 

petrick @ ramesh a/l k periyasamy.  (2020).  demam campak boleh bawa maut.  - mingguan malaysia.  34. 

dr petrick @ ramesh periyasamy.  (2020).  bicara persada 59: covid 19, selamatkah kita?.  - 1. 

sn othman, zz rashid, uk ali, kk wong, mn abdul samat, p periasamy, n kori, n rais, h yusof, s mohd puzi, a noordin, ah abdul hamid, a sulong.  (2020).  performance of accobiotech covid-19 igg/igm rapid test device.  - 1-3. 

nurul shazalina z, nurulhasanah o, rahmah n, asmahani azira as,wan mohd aizat wk, petrick p, emeliao..  (2020).  disseminated microsporidiosis: discovery of enterocytozoon bieneusi circulating proteins as potential diagnostic markers.  - medicine & health.  27. 

nurul azmawati mohamed, nizam baharom, wan sw sulaiman, zetti z rashid, wong kon ken, umi k ali, siti n othman, muttaqillah n samat, najma kori, petrick periyasamy, nor a zakaria, agni n kumar sugurmar, cheong xiong khee, siti m saniman, ilina isahak.  (2020).  early viral clearance among covid-19 patients when gargling with povidone-iodine and essential oils: a clinical trial.  - international medical journal.  651-654. 

anita sulong, umi kalsom, zetti zainol rashid, muttaqillah najihan abdul samat, wong kon ken, siti norlia othman, abdul hamydy abdul hamid, danori sardi, ainihayati noordin, petrick @ ramesh a/l k periasamy, najma kori, hanita othman.  (2020).  carta alir ujian makmal polymerase chain reaction (pcr) covid-19.  - 1-3. 

umi kalsom @ satariah ali, anita sulong, zetti zainol rashid, muttaqillah najihan abdul samat, wong kon ken, siti norlia othman, abdul hamydy abdul hamid, danori sardi, ainihayati noordin, petrick @ ramesh a/l k periasamy, najma kori, azmi baharudin.  (2020).  kriteria penerimaan / penolakan spesimen bagi ujian pengesanan rapid antigen covid-19 dan carta alir pemilihan pengujian covid-19.  - pengujian rapid ag covid-19, jabatan perkhidmatan makmal diagnostik, hospital canselor tuanku muhriz.  1-3. 

rayhan aghani e.amiseno, petrick periyasami, najma kori, ramliza ramli, isa naina mohamed, lau chee lan.  (2020).  the appropriateness in requesting for urine culture in ukmmc medical ward: a pre and post- educational intervention study.  - 1-21. 

min h. cheah, eon t. gan, nur j. azman, najma kori, petrick periyasamy, siti-azdiah abdul-aziz.  (2020).  factors affecting modification of initial antiretroviral therapy regimen in hiv positive patients.  - journal of pharmaceutical policy and practice.  10. 

petrick periyasamy.  (2020).  all year round: malaysian expert cautions about the dangers of flu and what can be done.  - malaymail.  1. 

victor ke lim, zamberi sekawi, yasmin a malik, ariza adnan, ilina isahak, zetti zainol rashid, ooi mong how, suresh kumar chidambaram, s fadilah, zakuan zaini deris..  (2020).  guidelines for adult immunisation.  - 276. 

syahrul sazliyana shaharir, ruslinda mustafar, lydia kamaruzaman, andrea ban yu lin, petrick periyasamy.  (2020).  tuberculosis (tb) infection among the multiethnic systemic lupus erythematosus (sle) cohort in universiti kebangsaan malaysia medical centre.  - international journal of rheumatic diseases.  313. 

lydia kamaruzaman, fong voon ken, najma kori,petrick periyasamy,rozita mohd, ruslinda mustafar.  (2020).  infective endocarditis in renal transplant patient treated with partial oral antibiotic.  - 23rd annual scientific meeting of the malaysian society of transplantation.  91. 

uk ali, mn abdul samat, sn othman, zz rashid, kk wong, p periasamy, n kori, n rais, h yusof, s mohd puzi, a noordin, ah abdul hamid, a sulong, d zainuddin, nh ramli.  (2020).  performance of livzon covid-19 igg/igm rapid test device.  - 1-4. 

boon hau ng, nik nuratiqah nik abeed, andrea ban yu-lin, mohamed faisal abdul hamid, chun ian soo, najma kori, shahizon azura mohamed mukari, isa azzaki zainal, lydia kamaruzaman, muhammad yusuf abu shamsi, halim gafor, norlaila mustafa, wan nur nafisah w.  (2020).  lung computed tomography patterns of a cluster of asymptomatic young males with covid-19 admitted to a teaching hospital in kuala lumpur.  - medical journal of malaysia.  368-371. 

ng boon hau, nik nuratiqah nik abeed, mohamed faisal abdul hamid, soo chun ian, low hsueh jing, najma kori, petrick periyasamy, norlaila mustafa, andrea ban yu-lin.  (2020).  a descriptive study of the psychological experience of health care workers in close contact with a person with covid-19.  - medical journal of malaysia.  485-489. 

ng boon hau, andrea ban yu-lin, nik nuratiqah nik abeed, mohamed faisal abdul hamid, soo chun ian, najma kori, petrick periyasamy.  (2020).  covid-19 detected from targeted contact tracing, attempting to see the pattern in random happenings: early lessons in malaysia.  - medical journal of malaysia.  582-584. 

mohd rohaizat bin hassan, azmawati mohammed nawi, rozita hod, azimatun noor aizuddin, norfazilah ahmad, asrul bin abdul wahab, tzar mohd nizam bin khaithir, faiz daud, sharifah azura salleh, petrick @ ramesh, najma kori.  (2020).  bantuan penuh hctm: setinggi penghargaan rakyat malaysia.  - buletin bilik gerakan covid-19 hctm.  1-4. 

petrick @ ramesh a/l periyasamy.  (2020).  41 pelajar tahfiz sembuh : pengesanan, kuarantin, isolasi dan rawatan awal langkah tepat bantu proses penyembuhan.  - buletin bilik gerakan covid-19 hctm.  1-4. 

sn othman, zz rashid, uk ali, kk wong, mn abdul samat, p periasamy, n kori, n rais, h yusof, s mohd puzi, a noordin, ah abdul hamid, a sulong.  (2020).  lepu technology sars-cov-2 antibody test device.  - 1-3. 

mn abdul samat, uk ali, sn othman, zz rashid, kk wong, p periasamy, n kori, n rais, h yusof, s mohd puzi, a noordin, ah abdul hamid, a sulong, ma ismail, na abu bakar.  (2020).  performance of panbio covid-19 igg/igm rapid test device.  - 1-4. 

sn othman, zz rashid, uk ali, kk wong, mn abdul samat, p periasamy, n kori, n rais, h yusof, s mohd puzi, a noordin, ah abdul hamid, a sulong, an zailani, mha mohd nasir.  (2020).  performance of reszon covid-19 rapid igg/igm test.  - 1-4. 

petrick @ ramesh a/l k periyasamy.  (2020).  the star.  - any mask is still better than none.  -. 

petrick @ ramesh a/l k periyasamy.  (2020).  roche launches xofluza, a single-dose treatment for influenza in malaysia.  - malaysian business online.  -. 

ammar younis kadhim timimi, rosmina jaafar, shamsul azhar shah, patrick periyasamy, and mohd alauddin mohd ali.  (2019).  innovative blood pressure assessor for tracking orthostatic intolerance in dengue.  - international journal of latest engineering research and applications (ijlera).  21-33. 

hakim rahman, nailah huda, dr petrick periyasamy.  (2019).  hari aids sedunia.  - awani pagi. 

emelia osman, nurul shazalina zainudin, rahmah noordin, nurul hasanah othman,asmahani azira abdu sani, wan mohd aizat wan kamaruddin, petrick ramesh periyasamy.  (2019).  identification of e. bieneusi circulating proteins from hiv/aids patients with disseminated microsporidiosis via shotgun proteomic approach.  - 55th annual scientific conference of the malaysian society of parasitology and tropical medicine (msptm).  84. 

elengoe s, jamil a, goh sw, arumugam m, ismail r, periyasamy p.  (2019).  levetiracetam induced drug reaction with eosinophilia and systemic symptoms (dress).  - brunei international medical journal.  140-144. 

petrick periyasamy.  (2019).  hari aids sedunia.  - astro awani pagi. 

ding chuan hun;hamidah binti yusoff;petrick @ ramesh a/l k periyasamy;andrea ban yu-lin;muttaqillah najihan bin abdul samat;tang yee loong.  (2019).  prevalence of pneumocystis jirovecii pneumonia (pcp) in aids patients in ukm medical centre.  - 1-5. 

cl lau, j azman, n shaharuddin, c bacha lal, ma rosli, petrick periyasamy.  (2019).  observational study of iv to oral switch practice in malaysian teaching hospital.  - infection & chemotherapy.  173. 

nurnabila syafiqah muhamad rizal, hui-min neoh, ramliza ramli, petrick @ ramesh a/l k periyasamy, alfizah hanafiah, muttaqillah najihan abdul samat, toh leong tan, kon ken wong, sheila nathan, sylvia chieng, seow hoon saw, bee yin khor.  (2019).  culture and biochemical testing versus 16s rrna gene sequencing for pathogen identification in the clinical microbiology laboratory: preliminary findings on cost comparison and breaking the bioinforma.  - infection & chemotherapy.  S94-S95. 

najma kori, razman jarmin, petrick periyasamy, lau chee lan.  (2019).  new perspective of antimicrobial stewardship: changing surgeon's paradigm.  - antimicrobial resistance and infection control.  144-145. 

petrick periyasamy.  (2019).  demam selepas masuk hutan mungkin jangkitan malaria.  - bh online.  1-3. 

azlina ibrahim, isa naina mohamed, chee lan lau, ramliza ramli, najma kori, petrick periyasamy.  (2019).  appropriateness of ceftriaxone use in medical wards of ukmmc - how compliant are we?.  - antimicrobial resistance and infection control.  148. 

lim, m.y., abdul rahim, n., periyasamy, p., lau, c.l..  (2019).  assessment of polymyxin b associated nephrotoxicity in icu patients in a malaysian tertiary teaching hospital.  - malaysian journal of medicine and health sciences.  4. 

marsilla mariaty marzukie, khairunisa ahmad affandi, azyani yahaya, petrick periyasamy.  (2019).  disseminated histoplasmosis mimicking an acute appendicitis.  - malaysian journal of pathology.  223-227. 

syahrul sazliyana shaharir, narisa sulaiman sahari, zeena mohamed fuad, wan zul haikal wan zukiman, nurul hafizah mohd yusof, anita sulong, petrick periasamy.  (2018).  non-tuberculous mycobacterium bacteraemia in a pregnant systemic lupus erythematosus (sle) patient: a case review and pooled case analysis.  - clinical rheumatology.  837-847. 

chuan hun ding, hamidah yusoff, najihan abdul samat muttaqillah, yee loong tang, toh leong tan, petrick periyasamy, andrea yu-lin ban.  (2018).  the crucial role of molecular testing to facilitate the diagnosis of pneumocystis pneumonia during pregnancy.  - malaysian journal of pathology. 

nasheeda saeed, ching soong khoo, rabani remli, zhe kang law, petrick periyasamy, syazarina sharis osman and hui jan tan.  (2018).  first reported case of neuroleptospirosis complicated with anton's syndrome.  - frontiers in neurology.  1-5. 

petrick periyasamy.  (2018).  dengue: vaccine preventable diseases.  - malaysian journal of public health medicine. 

antimicrobial stewardship committee hctm ukm.  (2018).  hctm ppukm surgical prophylaxis guide 2018.  - 73. 

chia peck kee,petrick periyasamy,zhe kang law,norlinah mohamed ibrahim,wan nur nafisah wan yahya,hazlina mahadzir,shahrul azmin md rani,ramesh sahathevan,rabani remli,raymond azman ali,hui jan tan,syazarina sharis osman,shahizon azura mm,shamsul as.  (2017).  features and prognostic factors of tuberculous meningitis in a tertiary hospital in malaysia.  - journal of infectious diseases and epidemiology.  1-9. 

petrick periyasamy.  (2017).  dengue : vaccine preventable diseases.  - third international conference on tropical medicine and infectious diseases. 

ng choon seong, lau chee lan, chua xin yun, farah waheeda, sarah anee roberts ,nur jannah azman, lysia loong,pau kiew bing, kong shue hong,petrick periyasamy.  (2017).  carbapenem usage in medical wards an antibiotic stewardship feedback project.  - annual scientific meeting on emerging infectious threat. 

petrick periyasamy.  (2017).  malaysian consensus guidelines on antiretroviral therapy 2017.  - 1-92. 

n.a. mohd fauzi, c.s. khoo, h.j. tan, a.m.m. shahizon, c.h. ding, m.n. tzar, m.p. suria hayati, k. nurul akmal, t. jegan, w.a. wan zaidi, p. petrick.  (2017).  the first case report of thoracic extradural mucormycosis in a diabetic patient.  - journal of the neurological sciences.  1004-1005. 

cs ng, abdul wahid fs, tumian nr, wan jamaludin wf, yap e, petrick p, nurwahyuna r, noraidah m.  (2017).  back pain: road to burkitt`s "discovery".  - malaysian society of haematology 14th annual scientific meeting. 

tser wan pang, adyani md-redzuan, mohd makmor-bakry, chee lan lau, zamri zuhdi, abdul halim abd rashid, nordiah awg jalil, ramliza ramli, raha abdul rahman, wan rahiza wan mat, razman jarmin, petrick@ ramesh k periyasamy,.  (2017).  compliance of antimicrobial prophylaxis practice for surgery in malaysian teaching hospital.  - australasian society for infectious diseases annual scientific meeting 2017. 

nurul shahirah solleh, azmi mohd tamil, petrick periyasamy.  (2017).  kajian tentang kualiti hidup, sokongan sosial dan kemahiran daya tindak bagi pesakit hiv di hospital canselor tuanku muhriz.  - 21st national public health colloquium. 

mohamed faisal abdul hamid, petrick periyasamy, andrea ban, roslina abdul manap.  (2017).  detection rate of pneumococcal pneumonia using the urine antigen kit binaxnow streptococcus pneumoniae test: a prospective cohort study in a tertiary hospital in malaysia.  - international medical journal malaysia.  29-36. 

zainudin, n.s.,nasarudin, s.n.s.,periyasamy, p.,moktar, n.,noordin, r.,osman, e..  (2016).  diagnosis of disseminated microsporidiosis: detection of circulating enterocytozoon bieneusi dna in blood of hiv/aids patients.  - tropical biomedicine.  761-770. 

ng cs, petrick p, abdul wahid fs, tumian nr, wan jamaluddin wf, yap e, nurwahyuna r, noraidah m.  (2016).  retroviral disease manifested early as spinal burkitt`s.  - national hiv treatment update 2016. 

p.k. chia, p. periyasamy, z.k. law, s. sharis, s.a. mohamed mukari, s.a. shah, r. remli, n. yahya, h.j. tan, n. mohd ibrahim, r. azman ali.  (2016).  features of tuberculous meningitis in a tertiary hospital in malaysia.  - international congress for tropical medicine and malaria. 

nurul shazalina z, petrick p, norhayati m, rahmah n, emelia o.  (2016).  disseminated microsporidiosis: detection of enterocytozoon bieneunsi circulating antigen from hiv patients via serum proteomic approach.  - 52nd annual scientific conference malaysian society of parasitology and tropical medicine. 

pk chia, p periyasamy, zk law, s sharis, sa mohamed mukari, sa shah, r remli, n yahya, hj tan, n mohd ibrahim, r azman ali.  (2016).  survival analysis and clinical predictors of tuberculous meningitis in university kebangsaan malaysia medical center (ukmmc).  - 15th asian and oceanian congress of neurology. 

nanthini mageswaran, petrick periyasamy.  (2015).  knowledge and level of awareness of methicillin-resistant staphylococcus aureus (mrsa) among medical students.  - international future scientists conference 2015 ``meeting 21century demands: integrating arts & stem``. 

nurul shazalina z, petrick, p, norhayati m, rahmah n, emelia o.  (2015).  detection of microsporidia parasite in blood from hiv patients by pcr.  - 51st annual scientific conference of the malaysian soceity of parasitology and tropical medicine. 

datuk dr. christopher lee kwok chong, dato dr. faraizah, dato abdul karim, dr.petrick periyasamy, ravichandran jeganathan senior consultant, datin dr. rugayah bakri, dr. sabariah faizah jamaluddin, datin dr. sivasakthi velayuthapillai, dr. hari dass,.  (2015).  clinical practise guidlines: management of dengue infection in adults.  - clinical practise guidlines: management of dengue infection in adults.  1-43. 

ng c.s., isa h.m., periyasamy p., mohamad s., raja ali r.a..  (2015).  an ocular diploid fungus: a case of an overlook systemic mycosis.  - brunei international medical journal.  103-105. 

choon seong ng, shahrul azmin, zhe kang law, ramesh sahathevan, wan nur nafisah wan yahya, rabani remli, petrick periyasamy, norlinah mohd ibrahim and hui jan tan.  (2015).  an unusual neurological complication from a garden-variety organism: post-melioidosis parkinsonism.  - the medical journal of australia.  333-334. 

wan fariza wan jamaludin,petrick periyasamy, wan rahiza wan mat , s. fadilah abdul wahid.  (2015).  dengue infection associated hemophagocytic syndrome: therapeutic interventions and outcome.  - journal of clinical virology.  91-95. 

wan asyraf, mohd shahrir, petrick,mohamed faisal.  (2015).  a case report of chronic necrotising aspergillosis on tocilizumab therapy.  - medico research chronicles.  451-455. 

wan fariza wan jamaludin , petrick periyasamy , wan rahiza wan mat, s fadilah abdul wahid.  (2015).  dengue infection associated hemophagocytic syndrome: therapeutic interventions and outcome.  - xiith malaysia national haematology scientific meeting poster presentation list. 

law zk, henry lj, alias nf, kumar s, sahathevan r, htwe o, naicker as.  (2015).  do stroke patients load on both lower limbs differently from what they perceive?.  - cerebrovascular diseases.  58. 

ching soong khoo, wan yi leong, rosaida md said, suguna raman, pushpagandy ramanathan, petrick periyasamy.  (2015).  lymphedema in dengue fever -an unreported case.  - medico research chronicles.  687-692. 

mohamed faisal abdul hamid, petrick periyasamy, andrea ban yu-lin, roslina abdul manap.  (2015).  a prospective cohort study comparing between pneumococcal and non-pneumococcal community-acquired pneumonia (cap) and health-care associated pneumonia (hcap) in ukmmc.  - respirology.  127. 

petrick periyasamy.  (2015).  managing complicated mrsa ssti infections.  - infectious diseases & microbial genomics 2015. 

chuan hun ding, mohd nizam tzar, md mostafizur rahman, najihan abdul samat muttaqillah, shazatul reza mohd redzuan, petrick periyasamy.  (2014).  paecilomyces lilacinus fungaemia in an aids patient: the importance of mycological diagnosis.  - pakistan journal of medical sciences.  30(4):914-6. 

abdul halim abdul gafor, pau cheong ping, anis farahanum zainal abidin, muhammad zulhilmie saruddin, ng kah yan, siti qania`ah adam, ramliza ramli, anita sulong, and petrick periyasamy.  (2014).  antibiogram for haemodialysis catheter-related bloodstream infections.  - international journal of nephrology.  1-6. 

nur hasyimah othaman, petrick periyasamy.  (2014).  kurangkan antibiotik.  - isihat. 

nur hasyimah othaman, petrick periyasamy.  (2014).  kerjaya perubatan.  - isihat. 

petrick p, ding ch, tzar mn.  (2014).  prevalence of serum cryptococcal antigen (sca) positive rates at different cd4 ranges in art naive hiv patients at a tertiary center in kl.  - 3rd national aids conference (nac). 

ministry of health malaysia.  (2014).  consensus guidleines on antiretroviral therapy 2014.  -

z nurul shazalina, n siti nur su`aidah, p petrick, m norhayati, n rahmah, o emelia.  (2014).  first report on molecular detection of enterocytozoon bieneusi in blood from hiv/aids patients.  - jitmm2014 & fbpz8. 

cl lau, nj azman, sl ghan, fw tajuruddin, sh kong, kb pau, ls loong, sa robert, yk lai, mk yin, p periyasamy.  (2014).  impact of carbapenems stewardship in medical wards in a malaysian teaching hospital.  - 15th asia pacific congress of clinical microbiology and infection. 

mohamed faisal ah, petrick p, roslina am, andrea yl ban, ramliza r, anita s, zalina i, tzar nk, zaleha mi.  (2013).  detection rate of pneumococcal pneumonia using urine antigen kit (binaxnow) in adult community-acquired and health care associated pneumonia in ukmmc.  - malaysian thoracic society annual congress 2013. 

petrick periyasamy.  (2013).  state-of-the-art mrsa nosocomial pneumonia management: how can we improve treatment outcomes.  - malaysian thoracic society annual congress 2013. 

chan gn, evelyn hjw, farah wt, izyan di, kong sh, lai yk, lau cl, leong sl, loong ls, michelle thp, pau kb, sarah ar, shairyzah ah, supadhara r, andrea byl, kong wy, petrick p, rizna ac.  (2013).  handbook of renal dose adjustment for common antimicrobials.  - 17. 

petrick periyasamy, leong chee loon, christopher lee.  (2013).  hyperlactatemia outcome in a cohort of patients with hiv on haart.  - 8th malaysia indonesia brunei medical sciences conference. 

petrick periyasamy.  (2013).  state of the art mrsa nosocomial pneumonia management : how can we improve treatment outcomes.  - malaysian thoracic society annual congress 2013. 

lau chee lan, nur jannah azman, gan sheah lin, kong shue hong, pau kiew bing, loong ly sia, sarah anne robert, farah waheeda tajurudin, lai yin key, yin mei kuen, petrick periyasamy.  (2013).  antimicrobial stewardship program in medical wards ukmmc.  - 8th malaysia indonesia brunei medical sciences conference. 

tzar mohd nizam khaithir, petrick periyasamy, hamidah yusoff.  (2013).  antifungal susceptibility profiles of candida blood isolates in ukmmc malaysia.  - 8th malaysia indonesia brunei medical sciences conference. 

mohamed faisal abdul hamid, petrick periyasamy, roslina abdul manap, andrea ban yu-lin, ramliza ramli, anita sulong, zalina ismail, tzar mohd nizam.  (2013).  aetiology and outcome of gram negative bacteria in adult community-acquired pneumonia and health-care associated pneumonia in university kebangsaan malaysia medical centre.  - 8th malaysia indonesia brunei medical sciences conference. 

mohamed faisal ah, petrick p, roslina am, andrea yl lan, ramliza r, anita s, zalina i, tzar nk, zaleha mi.  (2013).  detection rate of streptococcus pneumoniae using urinary antigen (binaxnow test) in community-acquired and health-care associated pneumonia in ukmmc.  - 9th international symposium on antimicrobial agents and resistance (isaar 2013). 

petrick periyasamy.  (2013).  aids situation in malaysia.  - 8th malaysia indonesia brunei medical sciences conference. 

abdul aziz marwan, chai soon ngiu, petrick periyasamy.  (2013).  an interesting finding in a patient with chronic diarrhoea.  - annals academy of medicine singapore.  42(2):97-98. 

mohamed faisal, petrick periyasamy, andrea ban yu-lin, roslina abdul manap.  (2013).  detection rate of pneumococcal pneumonia using binaxnow streptococcus pneumoniae test, a prospective cohort study in a tertiary hospital in malaysia.  - respirology.  18(suppl 4) : 106. 

pau cp, anis farahanum za, muhammad zulhilmie s, ng ky, siti qani`ah a, petrick p, ramliza r, anita s, abdul halim ag.  (2012).  antibiogram for haemodialysis catheter related sepsis.  - 4th medical undergraduates` annual scientific research meeting. 

anti-infective guideline development group 2011/2012.  (2012).  ppukm anti-infective guideline 2012.  - *. 

guidelines development group.  (2012).  management of tuberculosis.  - 97. 

q.nguyen, d. marriot and the malaysian candidaemia study (macas) group.  (2012).  candidaemia in malaysia : surprising results from a national study.  - 52nd icaac 2012. 

petrick periyasamy, narisa sulaiman sahari, rajalingham sakthiswary.  (2012).  thoracic spinal actinomycetoma: an under-recognised masquerader.  - the internet journal of internal medicine.  9(2). 

p. periyasamy, d. marriott.  (2012).  a retrospective review of staphylococcal infections in st vincent`s hospital 2006-2007.  - 15th international congress on infection diseases. 

periyasamy, p; kadir, aa; nyiu, cs.  (2011).  cotrimoxazole resistant burkholderia pseudomallei in neurological melioidosis.  - international journal of infectious diseases.  15(1):S49. 

petrick periyasamy, siva rao subramaniam, sakthiswary rajalingham.  (2011).  an increasingly notorious mimicker of testicular tumours;crossing borders.  - bmj case reports.  2011. 

deborah je marriott, petrick periyasamy.  (2011).  anticonvulsant hypersensitivity syndrome secondary to lamotrigine mimicking a septic episode.  - annals of the academy of medicine, singapore.  40(9):422-423. 

sakthiswary rajalingham, mohd shahrir mohd said, syahrul sazliyana shaharir, aini abaziz, petrick periyasamy, fauzi md anshar.  (2011).  dermatomyositis masquerading musculoskeletal tuberculosis.  - bmj case reports.  2011. 

azlina abu bakar, cs ngiu, ms mohamad said, petrick periyasamy.  (2011).  salmonella related mycotic aneurysm with psoas and paraortic abscess treated.  - annals academy of medicine singapore.  40(10):467-468. 

yusairi fitri yusuf, petrick @ ramesh k periyasamy.  (2011).  misteri serangan adenovirus.  - isihat. 

arif m shahar, chai soon ngiu, hasnur zaman hashim, hui jang tan, petrick periyasamy.  (2011).  no coma, but expressive dysphasia with cerebellar signs: an unique presentation of cerebral malaria.  - annals of academy of medicine singapore.  40(8):383-383. 

dr petrick periasamy.  (2010).  current challenges in h1n1.  - 6th malaysia indonesia & brunei medical science conference. 

c s ngiu, m s mohamed said, p periyasamy, s f low.  (2010).  nocardiosis in a patient with rheumatoid athritis treated with rituximab and a summary of reported cases.  - bmj case reports.  2010:1-3. 

dr petrick k periyasamy.  (2009).  dengue fever vs chikungunya - the unresolved epidemic.  - the 1st annual health conference. 

n mustafa, p periyasamy, n kamaruddin.  (2009).  steven johnson syndrome in a patient with cushing`s disease.  - medical journal of malaysia.  64(3):238-239. 

petrick periyasamy, norella ct kong, nordiah awang jalil, izham cheong.  (2007).  epidemiology of bacteraemia in patients admitted to the adult medical wards of the hospital universiti kebangsaan malaysia.  - malaysia, indonesia and brunei darussalam medical science conference. 

p. petrick, n.c.t. kong, a.j. nordiah, c. izham, m.a. tamil.  (2007).  outcome of bacteraemia in patients admitted to the adult medical wards of the ukm hospital.  - medical journal of malaysia.  62(4):329-334. 

p. petrick, n.c.t. kong, a.j. nordiah, c. izham, m.a. tamil..  (2006).  outcome of bacteremia in patients admitted to the adult medical wards of the ukm hospital.  - 12th international congress on infectious diseases.