6Bhandari M,Devereaux P J,Swiontkowski M F,et al.Internal fixation compared with arthroplasty for displaced fractures of the femoral neck.A meta-analysis[J].J Bone Joint Surg Am,2003,85(9):1673-1681.
7Zhang Y, L Tian, Y Yan, et al. Biomechanical evaluation of the ex- pansive cannulated screw for fixation of femoral neck fractures [ J]. Injury, 2011,42(11 ) :1372-1376.
8Swiontkowski MF, Winquist RA,Hansen ST, et al. Fractures of the femoral neck in patients between the ages of twelve and tbrty-nine years[J]. J Bone Joint Surg Am, 1984,66(6) :837-846.
9Gerber C, Strehle J, Ganz R. The treatment of fractures of the femo- ral neck[J]. Clin Orthop Relat Res, 1993(292) :77-86.
10Robinson CM, Saran D, Annan IH, et al. Intracapsular hip frac- tures. Results of management adopting a treatment protocol[ J]. Clin Orthop Relat Res, 1994(302) :83-91.
