Hayat, S. (2019). Efficacy of Intraperitoneal Bupivacaine Instillation During Laparoscopic Cholecystectomy in Terms of Reduction in Post-Operative Shoulder Tip Pain & Need for Analgesia. Annals of Punjab Medical College, 13(2), 138-141. https://doi.org/10.29054/apmc/2019.71