S. A. S. MUHAMMAD ASLAM JAVED, HINA KHAN MUHAM, “Pre-emptive Analgesia in Laparoscopic Cholecystectomy by Intraperitoneal Instillation of Bupivacain”, J Fatima Jinnah Med Univ, vol. 10, no. 2, Jul. 2018, Accessed: Oct. 07, 2026. Available: https://jfjmu.com/index.php/ojs/article/view/454