6Waston J.T h e philosophy and science of caring[M].Colorado:Colorado Associated University Press,1985:27.
7Watson J.Assessing and measuring caring in nursing and health science[M].New York:Springer Publishing Company Inc,2002:1-3.
8Martin P,Yarbrough S,Alfred D.Professional values held by baccalaureate and associate degree nursing students[J].Journal of Nursing Scholarship,2003,35(3):291-296.
9Littlewood S,YpinazarV,ManlolisSA,at a1.Early practical experience and the social responsiveness of clinical education:systemat-ic review[J]BMJ,2005,331(7513):387-391.