1Watcha M F,White P F.Postperative nausea and vomiting.Itsetiology,treatment,and prevention[].Anesthesiology.1992
2Koivuranta M,Laara E,Snare L,et al.A survey of postoperative nausea and vomiting[].Anaesthesia.1997
3Sinclair D R,Chung F,Mezei G.Can postoperative nausea and vomiting be predicted?[].Anesthesiology.1999
4Apfel CC,Laara E,Koivuranta M,et al.A simplified risk score for predicting postoperative nausea and vomiting: conclusions from cross-validations between two centers[].Anesthesiology.1999