2Omer GE Jr.The development of orthopedic certification in the United States[J]. Clin orthop, 1990, 257(8): 11-7.
3History of the ABMS [OB/OL].http: //www.a bm sorg/history.asp2004-10-17.
4Josephine M Cassie, Judith S Armbruster, M Lan Bowmer, et al.Accreditation of postgraduate medical education in the United States and Canada: a comparison of two systems [J]. Medcial Education,1999, 33(7): 493.
5Dians S, Babcock,, Meeting ACGME requirements for a pediatric radiology trainingprogram[J]. Pediatr Radiol, 2002(32): 545-548.