Bijalwan, A., P. Singhal, and S. Altamash. “A Comparative Evaluation of Analgesic Effects of Using Intravenous Paracetamol Versus Intravenous Diclofenac Post-Operatively in Laparoscopic Cholecystectomy Patients in SMIH, Department of Surgery, Dehradun”. International Surgery Journal, vol. 6, no. 5, Apr. 2019, pp. 1716-22, doi:10.18203/2349-2902.isj20191896.