Penerbitan SCOPUS/ERA

wan rahiza wan mat, cheah saw kian, aliza mohamad yusof, lau chee lan, michelle tan hwee peng, petrick periyasamy.  (2022).  pharmacotherapeutics in the critically ill covid-19 patients.  - malaysian journal of medicine and health sciences.  316-323. 

tuang wei xuan, palaniapan sivakumar, periyasamy petrick.  (2022).  first reported case of cladosporium liver abscess in immunocompromised host.  - medical mycology.  194. 

chee ll, petrick p, muhd nordin s, sarah anne r, lay yg, suet yc, kiew bp, shue hk, farah waheeda t, mei ky, sheah lg, nur jannah a, xin yc, poy kl, stephanie wyt, dexter vd, ramliza r, toh lt, aliza my, saw kc, wan rahiza wm, isa naina-mohamed.  (2022).  plethora of antibiotics usage and evaluation of carbapenem prescribing pattern in intensive care units: a single-center experience of malaysian academic hospital.  - antibiotics.  1-19. 

sy hwan ang, petrick periyasamy, shamsul azhar shah, ramliza ramli, najma kori, chee lan lau.  (2022).  the risk factors for complications and survival outcomes of klebsiella pneumoniae bacteraemia in hospital canselor tuanku muhriz universiti kebangsaan malaysia.  - medical journal malaysia.  409-414. 

nur syazana mad tahir, aniza ismail, aznida firzah abdul aziz, syed mohamed aljunid, petrick periyasamy, hazlina mahadzir, fauzi md anshar, mohd faudzi abdullah, wong ping foo, ho bee kiau, mohd fairuz ali, rizah mazzuin razali.  (2022).  clinical pathway for influenza in the elderly: a comprehensive management protocol of malaysia.  - asia-pacific journal of health management.  1-14. 

yusuf abu shamsi, xiong khee cheong, rozita mohd, petrick periyasamy, ruslinda mustafar.  (2021).  a case of lupus nephritis flare-up in severe covid-19 infection.  - medical journal of malaysia.  757-761. 

boon hau ng, hsueh jing low, nik nuratiqah nik abeed, mohamed faisal abdul hamid, chun ian soo, petrick periyasamy, andrea ban yu-lin.  (2021).  understanding of coronavirus disease 2019 (covid-19) and the practice of preventive measures among doctors and nurses in a university teaching hospital- a cross-sectional study.  - medical journal of malaysia.  454-460. 

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. 

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. 

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. 

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

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. 

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. 

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. 

nor azila ma, nor azian am, azmawati mn, sharifah azura s, petrick p, najma k, mohd rohaizat h, norfazilah a, anita s, hanita o, tuti ningseh md, nurul syakima am, ezanee azlina, siti aishah, nurul syeefa', abdul rashid, abdul halim, hanafiah hr, rahman j.  (2021).  covid-19 in malaysia: exposure assessment and prevention practices among healthcare workers at a teaching hospital.  - journal of infection in developing countries.  1816-1824. 

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. 

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. 

wan asyraf wan zaidi, muhamad danial zulkifli, najma kori, petrick k. periyasamy, wan nur nafisah wan yahya.  (2021).  ischaemic stroke in covid-19 patients in hospital canselor tuanku muhriz, national university of malaysia medical centre.  - international journal of stroke.  159. 

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. 

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. 

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. 

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. 

chien-chang leea, andrea lay hoon kwaa, anucha apisarnthanarak, jia-yih feng,eric howard gluck, akihiro ito, anis karuniawati, petrick periyasamy, busadee pratumvinit,jeetendra sharma, rontgene solante, subramanian swaminathan, niraj tyagi, dien minh v....  (2020).  procalcitonin (pct)-guided antibiotic stewardship in asia-pacific countries: adaptation based on an expert consensus meeting.  - clinical chemistry and laboratory medicine (cclm).  1983-1991. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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

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

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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. 

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 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. 

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

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. 

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. 

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

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. 

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. 

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. 

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. 

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.