2Nandi PL, Chan JN,Chan CP,el al.Undergraduatc medical education:comparisonof problem-based learning and conventionalteaching [J].Itong Kong Med J,2000,6(3):301-306.
5Hwang SY, Jang KS. Development and implementation of problem- based learning packages on the respiratory and cardic system[J]. Journal of Korean Academy of Nursing, 2004,35(1) :66 -77.
6Butler R,Inman D,Lobb D.Problem based learning and the medi-cal school:another case of the emperor’’’’s new clothes. AdvPhysiol Educ . 2005
7Knowles,M. S.Self-Directed Learning: A Guide for Learners and Teachers. . 1975
8Srinivasan M,Wilkes M,Stevenson F,et al.Comparing problem-basedlearning with case-based learning:effects of a major curricular shift at twoinstitutions. Academic Medicine . 2007