Patel RI, Davis PJ, Orr RJ, Ferrari LR, Rimar S, Hannallah RS, Cohen IT, Colingo K, Donlon JV, Haberkern CM, McGowan FX, Prillaman BA, Parasuraman TV, Creed MR. Single-dose ondansetron prevents postoperative vomiting in pediatric outpatients. Anesth Analg. 1997 Sep;85(3):538-45. doi: 10.1097/00000539-199709000-00011
Williams VSL. The "unbiased" anchor: bridging the gap between DIF and item bias. Appl Meas Educ. 1997;10(3):253-67. doi: 10.1207/s15324818ame1003_4
Gratz I, Allen E, Afshar M, Joslyn AF, Buxbaum J, Prillaman B. The effects of the menstrual cycle on the incidence of postoperative nausea and vomiting (PONV) and efficacy of ondansetron. Anesth Analg. 1996 Sep;83(3):565-9. doi: 10.1097/00000539-199609000-00022