3Newman MJ. Problem-based learning: an introduction and overview of the key features of the approaeh[J ]. J Vet Med Edue, 2005, 32 (1): 12-20. 被引量：1
4Winning T, Townsend G. Problem-based learning in dental education: What's the evidence for and against… and is it worth the effort[J]?Aust Dent J, 2007, 52 (1): 2-9. 被引量：1
