Koirala R, Gurung T, Rajbhandari A, Rai P. Three-Port versus Four-Port Laparoscopic Cholecystectomy: A Randomized Controlled Trial. Nep. Med. Coll. J. [Internet]. 2019 Mar. 31 [cited 2024 Sep. 27];21(1):40-3. Available from: https://nepjol.info/index.php/nmcj/article/view/24849