1McKay DW. A comparison of the in nominate and the perieapsular osteotomy in the treatment of congenital dislocation of the hip. Clin Orthop Relat Res,1974, (98) :124-132.
2Ward WJ, Vogt M, Grudziak JS. Severin classification system for evaluation of the results of operative treatment of congenital disloca- tion of the hip. A study of intraobserver and interobserver reliability. J Bone Joint Surg Am, 1997,79 (5) :656-663.
6[1]Morin C, Rabay G, Morel G. Retrospective review at skeletal maturity of the factors affecting the efficacy of Salter′s innominate osteotomy in congenital dislocated,subluxed, and dysplactic hips[J]. J Pediatr Orthop 1998,18:246-253.
7[2]Staheli LT. Surgical management of acetabular dysplasia[J].Clin Orthop. 1991, 264:111-121.
8[3]Beaty JH. Congenital and developmental anomalies of hip and pelvis. In: Canale ST. Campbell′s Operative Orthopaedics[M]. 9th ed. St. Louis:Mosby, 1998, 1049-1052.