Tamrakar, Kishor Kumar, Pragyan Khwaunju, and Keshar Bahadur Sah. “Comparative Study Between 3-Ports and 4-Ports Laparoscopic Cholecystectomy for the Cases of Gall Stone Disease”. Journal of Chitwan Medical College 7, no. 1 (May 24, 2017): 1–6. Accessed April 29, 2024. https://www.nepjol.info/index.php/JCMC/article/view/17356.