M. Y. Ali, R. Uddin, A. Islam, M. Kamal, S. R. Islam, and A. S. Rahman, “Post operative nausea and vomiting after laparoscopic cholecystectomy: comparison of prophylactic effect of dexamethasone with ondansetron”, j Bangladesh Soc Anaesthesiologists, vol. 24, no. 2, pp. 60–64, Aug. 2014.