Ismail, Muhammad, Nasir Watto, Muhammad Butt, and Fareeha Naz. “VARIOUS FACTORS INVOLVED DURING SAFE LAPAROSCOPIC CHOLECYSTECTOMY IN CASES OF EMPYEMA GALL BLADDER”. PAFMJ 71, no. 2 (April 29, 2021): 540-44. Accessed August 15, 2022. https://pafmj.org/index.php/PAFMJ/article/view/2791.