L. Sanjowal, S. K. Biswas, and J. C. Saha, “Comparison of ondansetron used alone and in combination with dexamethasone as a prophylaxis for postoperative nausea and vomiting following laparoscopic cholecystectomy”, Faridpur Med Coll J, vol. 9, no. 1, pp. 3–6, Jun. 2015.