Noor K, Irshad MM, Khan MM, Khan AY, Khan MU, Sohail M, Khan HA. Comparison of Post-Operative Port Site Pain after Gall Bladder Retrieval through Umbilical versus Epigastric Port in Patients Undergoing Laparoscopic Cholecystectomy : Umbilical versus Epigastric Port in Patients Undergoing Laparoscopic Cholecystectomy . PJHS-Lahore [Internet]. 2026 Apr. 30 [cited 2026 May 2];7(4):33-8. Available from: https://mail.thejas.com.pk/index.php/pjhs/article/view/3765