8Dornan T,Littlewood S,Margolis SA,et al.How can experience in clinical and community settings contribute to early medical education? A BEME systematic review[J].Med Teach,2006,28(1):3-18.
9Miller J.Career intentions of MD/PhD program graduatea[J].JAMA,2009,301(6):597,597-598.
10Whitcomb ME.The need to restructure MD-PhD training[J].Acad Med,2007,82 (7):623-624.
