x.k.cheong, p.periyasamy, n.kori,c.l.lau,t.l.tan,n.a.m.mustafa,r.ramli.  (2023).  novel emergency department specific antibiogram in malaysia.  - 3rd antimicrobial resistance symposium 2023.  60. 

m sugenthiran , p periyasamy , n kori , cl lau.  (2022).  clinical significance of coagulase-negative staphylococci bacteremia its financial impact and treatment outcomes in ukmmc.  - 5th international conference on tropical medicine and infectious diseases (ictmid).  1. 

muhammad hazwan nasarudin, najma kori,ramliza ramli, rozita hod,chee lan lau,petrick periyasamy.  (2022).  extended-spectrum beta-lactamase (esbl) bacteremia: looking into the risk factors of mortality from malaysian perspective.  - 5th international conference on tropical medicine and infectious diseases.  521. 

ujdora goh, wan rahiza wan mat, lau chee lan, raha abdul rahman.  (2021).  factors affecting de-escalation practices of antimicrobial use in critical care.  - annual scientific congress 2021.  55. 

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. 

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. 

rizna cader, syazarina lau chee lian, ruslinda mustafar, rozita mohd, lydia kamaruzaman, pau kiew beng.  (2020).  protokol contrast induced nephropathy 2020.  - .  1. 

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. 

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.  . 

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.  . 

yin mei kuen, lau chee lan.  (2017).  tdm booklet 2017.  - .  1-40. 

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.  . 

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.  . 

lau cl & cheah fc.  (2009).  the development of a pre-printed order sheet and insulin infusion regime to reduce medication error in the nicu.  - 8th ministry of health of malaysia-academy of medicine of malaysia scientific meeting 2009.  .