1McParland M,Noble LM and Livingston G. The effectiveness of problem-based learning compared to traditional teaching in under- graduate psychiatry[J]. Med Educ, 2004,38( 8 ).
2Song GT, Kwan CY,Bian Z, et. Exploratory concerning educa- tion reform with problem-based learning in China [J]. Teach Learn Med,2005,17(4).
