Gan T, Sloan F, Dear Gde L, et al : How much are patients willing to pay to avoid postoperative nausea and vomiting? Anesth Analg 2001 ; 92 : 393-400
Macario A, Weinger M, Carney S, et al : Which clinical anesthesia outcomes are important to avoid? The perspective of patients. Anesth Analg 1999 ; 89 : 652-8
Apfel CC, Laara E, Koivuranta M, et al : A simplified risk score for predicting postoperative nausea and vomiting : conclusions from crossvalidations between two centers. Anesthesiology 1999 ; 91 : 693-700
Cohen MM, Duncan PG, DeBoer DP, et al : The postoperative interview : assessing risk factors for nausea and vomiting. Anesth Analg 1994 ; 78 : 7-16
Koivuranta M, Laara E, Snare L, et al : A survey of postoperative nausea and vomiting. Anaesthesia 1997 ; 52 : 443-9