1Himmel W, Kochen M. Doctors perceptions of patients wishes influence decision to prescibe drugs[J]. BMJ, 1983, 317(7152): 211.
2Britten N, Ukoumunne O. The influence of patients expectations of presciptions on doctors perceptions and the decision to prescibe[J]. BMI, 1997, 315(7121) : 1506-1510.