chee lan lau, ramliza ramli, petrick periyasamy, toh leong tan, hui-min neoh, aliza mohamad yusof, zainina zainal abidin, noranati zulkifli chia, mohd syazwan mohd saaid, munirah abdul aziz, isa naina-mohamed.  (2025).  performance of direct-from-blood-culture disk diffusion antibiotic susceptibility testing and its impact on antibiotic adjustment in bloodstream infections at a malaysian tertiary center.  - microbiology spectrum.  1 - 19. 

nurul amirah mohamad farook, silvia argimon´, muttaqillah najihan abdul samat, sharifah azura salleh, sunita sulaiman, toh leong tan, petrick periyasamy, chee lan lau, nor azila muhammad azami, raja mohd fadhil raja abd rahman, mia yang ang, hui-min neoh.  (2024).  desiccation tolerance and reduced antibiotic resistance: key drivers in st239-iii to st22-iv mrsa clonal replacement at a malaysian teaching hospital.  - international journal of medical microbiology.  1 - 12. 

nurul adilla hayat jamaluddin, petrick periyasamy, chee lan lau, sasheela ponnampalavanar...tg mohd ikhwan tg abu bakar sidik, ramliza ramli, toh leong tan, najma kori, mei kuen yin, nur jannah azman, rodney james, karin thursky, isa naina mohamed.  (2024).  assessment of antimicrobial prescribing patterns, guidelines compliance, and appropriateness of antimicrobial prescribing in surgical-practice units: point prevalence survey in malaysian teaching hospitals.  - frontiers in pharmacology.  1-14. 

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. 

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. 

najma kori, farida islahudin, muhammad yusuf zawir abd rahim, petrick periyasamy, noraida mohamed shah, ernieda md hatah, lau chee lan.  (2022).  corticosteroid effectiveness among hospitalised covid-19 patients in malaysia.  - journal of infection in developing countries.  1390-1397. 

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. 

mohd makmor-bakry, azmi nor mohd farez ahmat, ahmad fuad shamsuddin, chee-lan lau, ramliza ramli.  (2019).  association between single trough-based area under the curve estimation of vancomycin and treatment outcome among methicillin-resistant staphylococcus aureus bacteremia patients.  - anaesthesiology intensive therapy.  218-223. 

xc tan, m makmor-bakry, cl lau, fw tajarudin, aa raymond.  (2015).  factors affecting adherence to antiepileptic drugs therapy in malaysia.  - neurology asia.  235-241. 

chee lan lau, ramliza ramli, petrick periyasamy, toh leong tan, hui-min neoh, aliza mohamad yusof, zainina zainal abidin, noranati zulkifli chia, mohd syazwan mohd saaid, munirah abdul aziz, isa naina-mohamed.  (2025).  performance of direct-from-blood-culture disk diffusion antibiotic susceptibility testing and its impact on antibiotic adjustment in bloodstream infections at a malaysian tertiary center.  - microbiology spectrum.  1 - 19. 

nurul adilla hayat jamaluddin, petrick periyasamy, chee lan lau, sasheela ponnampalavanar...tg mohd ikhwan tg abu bakar sidik, ramliza ramli, toh leong tan, najma kori, mei kuen yin, nur jannah azman, rodney james, karin thursky, isa naina mohamed.  (2024).  assessment of antimicrobial prescribing patterns, guidelines compliance, and appropriateness of antimicrobial prescribing in surgical-practice units: point prevalence survey in malaysian teaching hospitals.  - frontiers in pharmacology.  1-14. 

nurul amirah mohamad farook, silvia argimon´, muttaqillah najihan abdul samat, sharifah azura salleh, sunita sulaiman, toh leong tan, petrick periyasamy, chee lan lau, nor azila muhammad azami, raja mohd fadhil raja abd rahman, mia yang ang, hui-min neoh.  (2024).  desiccation tolerance and reduced antibiotic resistance: key drivers in st239-iii to st22-iv mrsa clonal replacement at a malaysian teaching hospital.  - international journal of medical microbiology.  1 - 12. 

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. 

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. 

u.a. zainulabid, n.a.a. danapaul, n. kori, c.l. lau, b. mat nor, n.f. ramly, k.a. mansor , x.k. cheong, m.a. baharuddin, w.h.b. meor jamaludin, m.h. ismail, m.n.s. mohd junit, m.y. yuhana, r. ramli , n. kamarudin, p. periyasamy, m.s. mohd ibrahim .  (2025).  correlation of pancreatic stone protein (psp) with septic shock, sofa, and apache scores: an emerging biomarker for disease severity.  - escmid global abstract book 2025.  964 - 965. 

cheah, saw kian, aliza mohamad yusof, rufinah teo, shereen tan, lau chee lan.  (2020).  adakah intravena vitamin b1 (thiamine) mempunyai peranan bagi pesakit kritikal yang mengalami renjatan septik?.  - impak siri 1/2020.  15. 

nurfatin mohid, lau chee lan, raha abdul rahman, tuan mazlelaa tuan mahmood1, noraida mohamed shah.  (2019).  penggunaan ubat-ubatan tidak berlesen dan luar label di kalangan pesakit dewasa di unit rawatan rapi di pusat perubatan universiti kebangsaan malaysia.  - jurnal sains kesihatan malaysia.  17-20. 

noor hassim ismail, ismail mohd saiboon, abdul rashid abd kader, asri ahmad, wan irfani wan mahyudin, jaafar md zain, zaiton zakaria, roslan harun, anita sulong, hanizah mohd yusoff, roslan daud, fuziah abdul hamid, mohd nor hisham mohd ali, hairol faizal.  (2015).  polisi dan garispanduan pelan bencana dalaman pusat perubatan ukm.  - .  69. 

wan rahiza binti wan mat;raha binti abdul rahman;zalina binti ismail;lau chee lan;azarinah binti izaham;cheah saw kian.  (2024).  pharmacokinetic and pharmacodynamic evaluation of continuous beta- lactam antibiotic infusion compared to intermittent beta-lactam antibiotic infusion in critically ill patients: a sub-study of the bling iii study.  - .  . 

petrick @ ramesh a/l k periyasamy;lau chee lan;rozita binti hod;najma binti kori.  (2023).  audit & feedback on carbapenem: impact of multidisciplinary antimicrobial stewardship team among medical patient in universiti kebangsaan malaysia medical centre .  - .  . 

ummu afeera zainulabid , nabil anaz anzani danapaul, chee lan lau , najma kori , yusuf zawir abd rahim, ramliza ramli , petrick periyasamy.  (2023).  revitalizing the blood culture volume.  - 33rd eccmid.  P3478. 

petrick @ ramesh a/l k periyasamy;lau chee lan;ramliza binti ramli;rozita binti hod;najma binti kori.  (2023).  early switching intravenous antibiotic to oral antibiotic in uncomplicated enterobacteriaceae bacteremia.  - .  . 

ilham ismail, najma kori, chee lan lau, azmi mohd tamil, ramliza ramli, xiong khee cheong, petrick periyasamy.  (2023).  mortality rate and its risk factors for multidrug resistance acinetobacter baumannii bacteraemiain universiti kebangsaan malaysia medical centre (ukmmc).  - 3rd antimicrobial resistance symposium 2023.  39.