Rajoria, D. B. .; Dhaka, D. M. S.; Malik, D. M. .; Das, D. C. Comparison of Analgesic Effect of Preoperative Intravenous Paracetamol v/S Ketorolac in Laparoscopic Cholecystectomy under General Anesthesia. J. Appl. Pharm. Res. 2023, 11, 06-11.