9Hofman K,Hosokawa M,Blake RJ,et al.Problem-based learningout-comes:ten years of experience at the University of Missouri-Co-lumbia School of Medicine[J].Acad Med,2006,81(7):617-625.
10Rhem J. Problem - based learning: all introduction [ J ]. The National Teaching & Learning Forum, 1998,8 ( 1 ) : 1.
8Anwar K, Shaikh AA, Dash NR, et al. Comparing the efficacy of team based learning strategies in a problem based learning curriculum [J]. APMIS, 2012, 120(9) :718 -723.