mohd saufee al firdaus mohd ismail, guo hou loo, guhan muthkumanan, nik ritza kosai.  (2026).  topical emla cream as adjunct analgesia in postoperative pain control for open inguinal hernioplasty under local anesthesia: a pilot double-blind randomized controlled trial.  - world journal of surgery.  369 - 375. 

kanmani murugesu, guo hou loo, li yi lim & nik ritza kosai .  (2026).  metabolic bariatric surgery improves pelvic floor and voiding function in asian women with obesity: a prospective cohort study.  - obesity surgery.  2701 - 2707. 

theeran gill, guo hou loo , guhan muthkumaran, nik ritza kosai.  (2026).  a multidisciplinary intragastric balloon care pathway for weight management in a tertiary malaysian centre: clinical practice framework.  - journal of multidisciplinary healthcare.  1 - 9. 

guo hou loo, suria hayati md pauzi, nik ritza kosai.  (2026).  gastric schwannoma: diagnostic challenges, pathological features, and surgical management : a narrative review.  - world journal of surgical oncology.  1 - 10. 

guo hou loo, farhana raduan, zunaidah abu samah and nik ritza kosai .  (2026).  prevalence and longitudinal development of sarcopenic obesity in an asian obese population: a large bioelectrical impedance analysis study.  - frontiers in nutrition.  1 - 8. 

asif sukri, alfizah hanafiah, nik ritza kossai, mohamad aznan shuhaili, mustafa mohammed taher, raja affendi raja ali.  (2024).  perbandingan pengekspresan antigen kluster pembezaan dalam subjenis tumor dan darah periferi pesakit kanser gaster .  - sains malaysiana.  3253 - 3262. 

alfizah hanafiah, asif sukri, nik ritza kosai, mohamad aznan shuhaili, mustafa mohammed taher & raja affendi raja ali.  (2023).  immunophenotyping of gastritis, gastric ulcer and gastric cancer using a cluster of differentiation (cd) antibody microarray.  - sains malaysiana.  187-197. 

reynu rajan, mohammed sam-aan, nik ritza kosai, mohamad aznan shuhaili, tee sze chee, ajay venkateswaran, kamal mahawar.  (2020).  early outcome of bariatric surgery for the treatment of type 2 diabetes mellitus in super-obese malaysian population.  - journal of minimal access surgery.  47-53. 

sivesh kk., sheraz rm., pritam s., ewan ag., on behalf of oeasophagogastric anastomosis audit group.  (2020).  the influence of the sars-cov-2 pandemic on esophagogastric cancer services: an international survey of esophagogastric surgeons.  - diseases of the esophagus.  1-12. 

asif sukri, alfizah hanafiah, nik ritza kosai, mustafa mohamed taher, isa mohamed rose & ramelah mohamed.  (2019).  optimization of cryopreserved single cell suspension of gastric epithelial cells for successful dotscantm antibody microarray.  - sains malaysiana.  1105-1110. 

mohd saufee al firdaus mohd ismail, guo hou loo, guhan muthkumanan, nik ritza kosai.  (2026).  topical emla cream as adjunct analgesia in postoperative pain control for open inguinal hernioplasty under local anesthesia: a pilot double-blind randomized controlled trial.  - world journal of surgery.  369 - 375. 

sujith wijerathne, shashank rastogi, kyungwon seo, junbeom park, mukund thakur, marc ong weijie, tuan le quan anh, duong trong hien, dato' nik ritza kosai nik mahmood, lau peng choong, siripong cheewatanakornkul, pichest watanapairojrat, kreangsak chainapapong.  (2026).  clinical consensus on the role of self-fixating mesh in laparoscopic inguinal hernia repair.  - asian journal of endoscopic surgery.  1 - 12. 

kanmani murugesu, guo hou loo, li yi lim & nik ritza kosai .  (2026).  metabolic bariatric surgery improves pelvic floor and voiding function in asian women with obesity: a prospective cohort study.  - obesity surgery.  2701 - 2707. 

theeran gill, guo hou loo , guhan muthkumaran, nik ritza kosai.  (2026).  a multidisciplinary intragastric balloon care pathway for weight management in a tertiary malaysian centre: clinical practice framework.  - journal of multidisciplinary healthcare.  1 - 9. 

guo hou loo, suria hayati md pauzi, nik ritza kosai.  (2026).  gastric schwannoma: diagnostic challenges, pathological features, and surgical management : a narrative review.  - world journal of surgical oncology.  1 - 10. 

hanafiah harunarashid, farrah-hani imran,, nik ritza kosai.  (2017).  chapter 17: skin incisions.  - at a glance series (oxford, england).  38-39. 

nik ritza kosai nik mahmood, loo gou hou, tan shy pyng, norhaisah harun, nurul norfazlina jais, muhaini mahmud, fauziyah bharum, samirah taufiq abdul wahid, farhana raduan, nursuhadah mohamed yusof.  (2026).  panduan pemakanan & gaya hidup bariatrik.  - .  . 

nik ritza kosai nik mahmood.  (2025).  belon telan allurion jadi pilihan.  - harian metro.  . 

nik ritza kosai nik mahmood.  (2025).  kaedah belon bantu atasi masalah obesiti.  - berita harian.  . 

nik ritza kosai nik mahmood.  (2025).  bariatrik bukan jalan pintas untuk cantik.  - sinar harian.  . 

halina md. noor, nik ritza kosai nik mahmood.  (2025).  rawatan obesiti tanpa pembedahan, parut.  - utusan malaysia.  . 

nik ritza kosai nik mahmood, loo gou hou, tan shy pyng, norhaisah harun, nurul norfazlina jais, muhaini mahmud, fauziyah bharum, samirah taufiq abdul wahid, farhana raduan, nursuhadah mohamed yusof.  (2026).  panduan pemakanan & gaya hidup bariatrik.  - .  . 

mohd afiq zulkifli, loo guo hou, nik ritza kosai nik mahmood.  (2026).  tore offers a second chance forbariatric patients.  - lifestyle-bernama.  . 

nik ritza kosai nik mahmood.  (2025).  belon telan allurion jadi pilihan.  - harian metro.  . 

rafe'aton md. ali, nik ritza kosai nik mahmood, loo guo hou.  (2025).  allurion ballon: a medical innovation to treat obesity without surgery.  - fokus bernama.  . 

nik ritza kosai nik mahmood.  (2025).  kaedah belon bantu atasi masalah obesiti.  - berita harian.  .