6Wood DF. Problem based learning[J]. BMJ,2003,326:328-330.
7Burgun A,Darmoni S,Duff FL,et al, Problem-based learning in medical informatics for undergraduate medical students: An experiment in two medical schools[J]. Int J Med Inform,2006,75(5): 18.
8Farmer EA. Faculty development for problem-based Learning[J]. Eur J Dent Educ,2004,8(2):59-66.
9O' Neill PAl. The role of basic seiences in a problem-based learning clinical curriculum[J].Med Education,2003,34(8):608-613.