Jalil-Ur-Rehman Butt, Riffat Saeed, Amer Latif, Tariq Ali Bangash, Zia Us Salam Qazi, Saeeda Rana 2024. Comparison of Post-operative Mean Pain Score with Intravenous Ketorolac Versus Ibuprofen Infusion in Patients Undergoing Open Cholecystectomy Under General Anesthesia. Pakistan Journal of Medical & Health Sciences. 18, 01 (Jan. 2024), 220. DOI:https://doi.org/10.53350/pjmhs02024181220.