1Wiig O,Terjesen T,Svenningsen S.Prognostic factors and outcome of treatment in Perthes disease:a prospective study of 368 patients with five-year follow-up[J].J Bone Joint Surg Br,2008,90(10):1364-1371.
2Kawasaki Y,Hanaoka N,Takahashi M,et al.Percutaneous opening wedge varus osteotomy with a multidrilling guide in Perthes disease:a technical note on two cases[J].J Pediatr Orthop,2009,18(5):242-247.