nihr global health research unit on global surgery, covidsurg collaborative, nazimi abd jabar, roszalina ramli, syed nabil, mae lyn bastion, farrah-hani imran, i chik, norshamsiah md din, ainal adlin naffi, mohd hairul nizam harun.  (2026).  30-day postoperative mortality and the effects of hospital preparedness during the covid-19 pandemic: a pooled analysis of prospective international cohort studies.  - lancet regional health-europe.  1 - 11. 

zhun shen tan, elvin jia hong lee, rou bei tan, azlanudin azman and ian chik.  (2026).  case report: fatal mesenteric venous thrombosis and progressive bowel ischemia following right hemihepatectomy.  - frontiers in surgery.  1 - 7. 

nihr global health research unit on global surgery and the globalsurg collaborative (ian chik, azrina syarizad kuthubul zaman, chia chung hon, saiyidah adila mohd adibi, koay kean leong, azlanudin azman).  (2026).  safety and equity in scaling minimally invasive surgery worldwide in 109 countries using cholecystectomy as a tracer procedure: a prospective cohort study.  - the lancet global health.  199 - 212. 

rajdave singh sadu singh, azlanudin azman, jegan thanabalan, chik ian, boo han sin, razman jarmin, fahrol fahmy jaafar.  (2026).  combination use of intravenous ketamine-midazolam as a sedative agent in endoscopic retrograde cholangiopancreatography: a randomized control trial.  - scientific reports.  1 - 10. 

suriah ahmad, nor azura azmi, nur ayub md ali, md ali katijjahbe, ian chik, syarifah noor nazihah sayed masri, adzim poh yuen wen.  (2025).  the effectiveness of high-intensity interval training versus moderate intensity continuous training in prehabilitation among patients undergoing major abdominal surgery: a study protocol.  - plos one.  1 - 15. 

farrah-hani imran, chik ian, enda gerard kelly, razman jarmin.  (2018).  the guru-ukm method: synergistic effect of hydrogel, hydrofibre and dermal conservation in burn wound management.  - international medical journal of malaysia.  . 

han sin boo, ian chik, chai soon ngiu, shyang yee lim, razman jarmin.  (2018).  high resolution impedance manometry: a necessity or luxury in esophageal motility disorder?.  - american journal of case reports.  998-1003. 

nihr global health research unit on global surgery, covidsurg collaborative, nazimi abd jabar, roszalina ramli, syed nabil, mae lyn bastion, farrah-hani imran, i chik, norshamsiah md din, ainal adlin naffi, mohd hairul nizam harun.  (2026).  30-day postoperative mortality and the effects of hospital preparedness during the covid-19 pandemic: a pooled analysis of prospective international cohort studies.  - lancet regional health-europe.  1 - 11. 

zhun shen tan, elvin jia hong lee, rou bei tan, azlanudin azman and ian chik.  (2026).  case report: fatal mesenteric venous thrombosis and progressive bowel ischemia following right hemihepatectomy.  - frontiers in surgery.  1 - 7. 

nihr global health research unit on global surgery and the globalsurg collaborative (ian chik, azrina syarizad kuthubul zaman, chia chung hon, saiyidah adila mohd adibi, koay kean leong, azlanudin azman).  (2026).  safety and equity in scaling minimally invasive surgery worldwide in 109 countries using cholecystectomy as a tracer procedure: a prospective cohort study.  - the lancet global health.  199 - 212. 

rajdave singh sadu singh, azlanudin azman, jegan thanabalan, chik ian, boo han sin, razman jarmin, fahrol fahmy jaafar.  (2026).  combination use of intravenous ketamine-midazolam as a sedative agent in endoscopic retrograde cholangiopancreatography: a randomized control trial.  - scientific reports.  1 - 10. 

suriah ahmad, nor azura azmi, nur ayub md ali, md ali katijjahbe, ian chik, syarifah noor nazihah sayed masri, adzim poh yuen wen.  (2025).  the effectiveness of high-intensity interval training versus moderate intensity continuous training in prehabilitation among patients undergoing major abdominal surgery: a study protocol.  - plos one.  1 - 15. 

izad iskandar, zamri zuhdi, azlanuddin azman, chik ian.  (2019).  kajian untuk melihat keberkesanan masa pendek untuk pemeriksaaan ct scan kepala bagi kumpulan trauma yang khusus untuk kecederan kepala yang serius melalui kemalangan.  - surgical research day 2019.  5. 

y. c. tan, m. mustangin, n. rosli, n. m. isa, t. y. low, p. y. lee, d. k. chellappan, r. jarmin, z. zuhdi, a. azman, c. ian, n. m. yusof, l. c. lim.  (2023).  spatial proteome mapping of annotated tumour regions in pancreatic ductal adenocarcinoma tissues reveals eight distinct tumour subpopulations.  - 22nd human proteome organization 2023 world congress.  1. 

chik ian, ting-shuan wu,yi ting lin, tiing -foong siow, kouhsin chen.  (2023).  laparoscopic hepatectomy and tumor thrombectomy for hepatocellular carcinoma with ivc thrombus.  - ills 4th world congress.  18. 

kamarul a.ab , zamri z , azlanuddin a , azarinah i , fahrol f , ian.  (2022).  oral paracetamol as single analgesia for post-operative elective laparoscopic cholecystectomy pain management, a randomized clinical trial (opsapol trial).  - assessment of dissertation defense day (list of abstract).  36. 

farah marzuki , chik ian , azlanudin azman , nur yazmin yaacob.  (2022).  estimation of muscle mass from lateral femur x-ray in cancer patients for the assessment of sarcopenia.  - assessment of dissertation defense day.  27-28. 

faisal arshad, chik ian, farah hani, v. regunathan.  (2022).  quality of life post co2 treatment for facial lesions : a prospective study.  - assessment of dissertation defense day (list of abstract).  10.