Shafa, A., A. Hirmanpour, B. Nazemroaya, F. Jafari, and A. Pourreza. “Comparison of the Prophylactic Effect of Ondansetron, Dexamethasone, and the Combination of These Drugs on Decreasing Nausea and Vomiting in Children Aged 1 to 12 Years Old Undergoing Upper Gastrointestinal Endoscopy”. Archives of Anesthesiology and Critical Care, Vol. 5, no. 1, Dec. 2018, pp. 10-14, doi:10.18502/aacc.v5i1.741.