7Farmer EA.Facuhy development for problem-based learning[J].Eur J Dent Edue,2004,8(2):59-66.
8Norman GR,Van der Vleuten CPM,Newble DJ,et al.International handbook of research in medical education[M].Bodmin:Kluwer Acadende Publishers,2002:711-755.
9Donner RS,Bickley H.Problem-based learning in American medical education:an overview.Bull Med Libr Assoc,1993,81 (3):294-298.
10Baum KD,Axtell S.Trends in North American medical education.Keio J Med,2005,54(1):22-28.