Gautam, B., Shrestha, B., Lama, P. and Rai, S. 2009. Antiemetic prophylaxis against postoperative nausea and vomiting with ondansetron-dexamethasone combination compared to ondansetron or dexamethasone alone for patients undergoing laparoscopic cholecystectomy. Kathmandu University Medical Journal. 6, 3 (Apr. 2009), 319–328. DOI:https://doi.org/10.3126/kumj.v6i3.1706.