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. 

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. 

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. 

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. 

nurul amirah mohamad farook, silvia argimón, muttaqillah najihan abdul samat, sharifah azura salleh, sunita sulaiman, toh leong tan, petrick periyasamy, chee lan lau, zalina ismail, nor azila muhammad azami, mia yang ang, hui-min neoh.  (2022).  diversity and dissemination of methicillin-resistant staphylococcus aureus (mrsa) genotypes in southeast asia.  - tropical medicine and infectious disease.  1-32. 

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. 

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. 

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. 

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. 

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

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. 

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. 

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;ramliza binti ramli;rozita binti hod;najma binti kori.  (2023).  early switching intravenous antibiotic to oral antibiotic in uncomplicated enterobacteriaceae bacteremia.  - .  . 

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 .  - .  . 

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. 

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.