1Elfrink V, Lutz E. American association of colleges of nursing essential values:national study of faculty perceptions,practices, and plans[J]. J Prof Nurs, 1991,7 (4) : 239-245.
4David A B, GaVin J A,Justin P A,et al. Perception of nursing:confirmation, change and the student experience [J]. Int J Nurs Stud,2004,41(7) :721-733.