8American Association of Colleges of Nursing.The essentials of baccalaureate education for professional nursing practice[EB/OL].[2005-01-17].http://www.aacn.nche.edu/education/baccessn.htm.
9Wojtozak A,Schwarz MR.Minimum essential requirements and standards in medical education[J].Medical Teacher,2000,22(6):555-559.