Zhang , Dengxin, Zhiyun Shen, Jie You, Xiaolian v, and Qi-Feng Tang. 2013. “Effect of Ondansetron in Preventing Postoperative Nausea and Vomiting under Different Conditions of General Anesthesia: A Preliminary, Randomized, Controlled Study”. Upsala Journal of Medical Sciences 118 (2). https://doi.org/10.3109/03009734.2013.768315.