2Richard G,Lane Houston,et al.Essentials and guidelines for hospital-based medical physics residency training programs[R].2005.AAPM REPORT.90:16-19.
3Tiwari A.A comparison of the effects of problem-based leaming and lecturing on the developmem of student's critical thinking[J].Medical Rducation,2006.26(3):4-6.
6Tiwari A. A comparison of the effects of problem - based learning and lecturing on the development of student's critical thinking [ J ]. Medical Rducation, 2006, 26(3) : 4 -6.
7S. Wasermann. Getting down to Case: Learning to teach with case study[J]. Teacher Collage, 1993, 14(2) : 196 -198.