Dr K.L.Subramanyam. “Comparison of Ondansetron and Granisetron for Prevention of Postoperative Nausea and Vomiting (PONV) Following Laproscopic Appendicectomy”. World Journal of Pharmaceutical Sciences, vol. 2, no. 12, Dec. 2014, pp. 1988-90, https://wjpsonline.com/index.php/wjps/article/view/ondansetron-granisetron-prevention-postoperative-nausea.