6Song WS,Yoo JJ,Kim YM,et al.Results of Multiple Drilling compared with those of conventional methods of core decompression [ J] .Clin Orthop Relat Res,2007,454:139-146.
7Mont MA,Carbone JJ,Fairbank AC.Core decompression versus nonoperative management for osteonecrosis of the hip [ J ] .Clin Orthop Relat Res,1996,324:169-178.
8Marker DR,Seyler TM,Ulrich SD,et al.Do modern techniques improve core for hip osteonecrosis? decompression out [ J ] .Clin Orthop comes RelatRes ,2008,466:1093 - 1103.
9Mukisi-Mukaza M,Manicom O,Alexis C,et al Treatment of Sickle cell disease's hip necrosis by core decompression:a prospective case-control study[ J ] .Orthopaedics & Traumatology:Surgery & Research,2009,95 ( 7 ) :498-504.
10Smith SW, Fehring TK,Griffin WL,et al.Core depression of the osteonecrotic femoral head [ J] .J Bone Joint Surg,1995,77 ( 5 ) :674-680.
