Ali, Afaque, Zaki Hussain, Ayesha Jamal, Fatima Rahat, Talha Makshoof, and Saqib Islam. “Effects of Low and Standard Intra-Abdominal Pressure on Postoperative Pain in Laparoscopic Cholecystectomy”. Pakistan Armed Forces Medical Journal (PAFMJ) 72, no. 3 (June 25, 2022): 891-95. Accessed September 30, 2022. https://pafmj.org/index.php/PAFMJ/article/view/4163.