3Singh M.Changes in trabecuar pattern of the upper and of the femur as an index of osteoporosis[J].J Bone Joint Surg(Am),1970,52:457.
4Laros GS.Complications of fixation in intertrochantertc fracture:compa rison of three fixation device in cadavers[J].Clin Orthop,1974,101:110.
5Haiddukewych GJ, Isreal TA, Berry DJ, et al. Reverse obliquity fractures of the intertrochantericregion of the femur. J Bone Joint Surg (Am), 2001, 83:643
6SpivakJ M, ZuckermanJD, KummerFJ, etal. Fatigue failure of sliding screw in hip fracture fixation: report of three cases. Orthop Trauma, 1991, 5:325
7Haynes RC, Poll RG. Miles AW, et al. Failure of femoral head fixation: a cadaveric analysis of lag screw cut out with the gamma locking nail and AO DHS. Injury, 1997: 28:337
8Albareda J, Laderiga A, Palanea D, et al. Complications and technical problems with the Gamma nail. Int Orthop, 1996, 20:47
9Yassari Gal, Langstaff RJ, Jones JWM, et al. The AO/ASIFproximal femoral nail for the treatment of unstable trochanteric femoral fracture. Injury, 2002:33 395
10Sirnmermacher RKJ. Bosch AM. Van der Werken C. The AO/ASIF proximal femoral nail a new device for the treatment of unstable proximal femoral fractures. Injury, 1999:30 327
