Shehbaz, Lal, Bashir Ahmed, Kamlaish ., Saqib Basar, and Ahmed Ali. 2015. “Role and Effectiveness of Intraperitoneal Bupivacaine in Post-Operative Pain Management After Laparoscopic Cholecystectomy”. Annals of Punjab Medical College 9 (4):180-83. https://doi.org/10.29054/apmc/2015.312.