Muhammad Danish Muneeb, Mirza Agha Naushad Baig, Abdullah bin Khalid, and Saba Mughal. “Size Does Matter: A Randomized Trial Comparing Postoperative Pain Using 10mm VS 5mm Umbilical Ports in Laparoscopic Cholecystectomy”. Annals of King Edward Medical University 25, no. 2 (July 6, 2019). Accessed April 27, 2024. https://www.annalskemu.org/journal/index.php/annals/article/view/2883.