5Song GT,Kwan CY,Bian z,Tai BJ.Exploratory Thoughts concerning educational reform with problem-based learning in China[J].Teach Learn Med,2005,17(4):382-384.
6Dolmans DH,De Grave W,Wolfhagen IH,et al.Problembased learning:future challenges for educational practice and research[J].Med Educ,2005,39(7):732-741.
7Kilroy DA.Problem based learning[J].Emerg Med J,2004,21(4):411-413.
8Newman MJ. Problem-based learning: an introduction and overview of he key features of the approach [J]. J Vet Med Educ, 2005,32(1) : 12-20.
