Koirala K, Simkhada G, Adhikari N, Mukhia R, Shakya S. A comparison of outcomes of four ports versus three ports laparoscopic cholecystectomy. J. Manmohan Memorial Inst. Health. Sci. [Internet]. 2018 Sep. 22 [cited 2024 Nov. 21];4(1):66-71. Available from: https://nepjol.info/index.php/JMMIHS/article/view/21145