Koirala, Rabin, TM Gurung, A Rajbhandari, and P Rai. “Three-Port Versus Four-Port Laparoscopic Cholecystectomy: A Randomized Controlled Trial”. Nepal Medical College Journal 21, no. 1 (March 31, 2019): 40–43. Accessed January 2, 2026. https://nepjol.info/index.php/nmcj/article/view/24849.