7Michel MC, Bischoff A, Jakobs KH.Comparison of problem and lecture-based pharmacology teaching [J].Trends Phamlacol Sci,2002,23 (4) : 168-170.
8Barrows HS, Tamblyn RM. The portable patient problem pack. a problem based learning unit I of Med Edu1977, 52(12): 1002-1004.
9Hoffman K, Hosokawa M, Blake RJ, etal Problem-based learning outcomes ten years of experience at tRe university of Missouri Columbia School of Medicine. A cad Med 2006, 81(7): 617-625.
10O' Neill PA. The role of basic sciences in a problem based learning clinical curriculum. Med Education 2000, 34(8): 608-613.
