小剂量昂丹司琼合用地塞米松对小儿氯胺酮静脉复合麻醉术后的抗恶心、呕吐疗效分析

• Therapeutic Effect of Ondansetron and Dexamethasone in Small Dosage on Resisting Nausea, Vomit of Infant Underwent Venous Compound Anaesthesia with Ketamine