Muneeb, M.D. and Naushad Baig, M.A. 2019. Postoperative Pain after Gallbladder Retrieval from Umbilical and Epigastric Ports in Laparoscopic Cholecystectomy: A Randomized Controlled Trial. Journal of the Dow University of Health Sciences (JDUHS). 13, 3 (Dec. 2019), 138–142. DOI:https://doi.org/10.36570/jduhs.2019.3.694.