Singh, R., Chandra, A., Kumari, M. and Rajkumar, S. 2021. Comparative Evaluation of Preoperative Administration of Single Dose Intravenous Paracetamol or Intravenous Diclofenac for Management of Postoperative Pain in Laparoscopic Cholecystectomy. International Journal of Health and Clinical Research. 4, 4 (Feb. 2021), 16–21.