6Sadowski C, Lubbeke A, Saudan M, et al. Treatment of reverse oblique and transverse intertrochanteric fractures with use of an intramedullary nail or 95 degrees screw-plate :a prospective, randomized study [ J]. J Bone Joint Surg Am, 2002, 84-A(3) :372-381.
7Elliott J, Beringer T, Kee F ter treatment for fracture of et al. Predicting survival af- the proximal femur and the effect of delays to surgery[J]. J Clin Epidemiol, 2003, 56 (8) : 788-795.
8Lenich A, Mayr E, Riiter A, et al. First clinical and bio- mechanical results of the trochanteric fixation nail (TFN) : a report on 120 cases [ J ]. Arch Orthop Trauma Surg, 2006, 126(10) :706-712.