J. Ahmad, Z. A. Khan, and A. K. Khan, “EFFICACY OF PORT-SITE AND INTRAPERITONEAL APPLICATION OF BUPIVACAINE IN REDUCING EARLY POST-LAPAROSCOPIC CHOLECYSTECTOMY PAIN: Post-Laparoscopic Cholecystectomy Pain”, Pak Armed Forces Med J, vol. 65, no. 2, pp. 211–215, Apr. 2015.