“A COMPARISON OF POSTOPERATIVE PAIN WITH AND WITHOUT INSTILLATION OF BUPIVACAINE DURING LAPAROSCOPIC CHOLECYSTECTOMY”, RMSR, vol. 3, no. 7, pp. 2535–2540, Jul. 2025, Accessed: Sep. 11, 2026. [Online]. Available: https://medicalsciencereview.com/index.php/Journal/article/view/2815