Taha, A.A. and Kareem, T.S. 2013. A comparative study between small dose dexamethasone, tropisteron, metoclopramide and normal saline in reducing nausea and vomiting after laparoscopic cholecystectomy. Zanco Journal of Medical Sciences (Zanco J Med Sci). 17, 1 (Apr. 2013), 317_321. DOI:https://doi.org/10.15218/zjms.2013.0009.