Garg, Ram Kirti, Rajesh Kumar, Bir Singh, Rikki Singal, Kiran Kumar Singal, and Ram Gopal Sharma. “Comparison of Three Port Laparoscopic Cholecystectomy With Four Port Laparoscopic Cholecystectomy”. Bangladesh Journal of Medical Science 21, no. 1 (January 1, 2022): 151–157. Accessed May 24, 2022. https://www.banglajol.info/index.php/BJMS/article/view/56342.