Yeasmeen, S.; Yasmin, R.; Akhtaruzzaman, A.; Khatun, U. S. Intravenous Granisetron, Ondansetron and Metoclopramide in the Prevention and Treatment of Post Operative Nausea and Vomiting After Laparoscopic Cholecystectomy - A Comparative Study. j Bangladesh Soc Anaesthesiologists 2009, 19, 20-27.