1Owens WD,Felts JA,Spitznagel EL Jr. ASA physicsl status classifions:a study of consistency of ratings.Anesthesiology ,1978;49(4) : 239.
2Sudige L, Hanson B, Swiontkowski MF. Implantrelated complications in treatment of unstable intertrochanteric fractes: meta-analysis of dynamic screw-platde versus dynamic screw-intramedullary nail devices Lnt. OrthooP,2003;27(4) : 197.
3Vbdridle SH,Patdel AD,Bircher M,et al. Fixation of intertrochanteric fractures of the femur. A randomised prospective comparison of the gamma nail and the dynamic hip screw. J Bone Joint Surg Br,1991;73(2): 330.
4Hardy DC, Desanps PY, Krallis P, et al. Use of an intramedullary hip - screw conpared with a compression hip - screw with a plate for intertrochanteric femoral fractures. A prospective,randomized study of one hundred patients. J Bone Joint Surg Am,1998;80(5): 618.
5Sadowski C, Lubbeke A,Saudan M, et al. Treatnent lf reverse and transverse intertrochanteric fractures with use of an intramedullary nail or a 95 degrees screw- plate: a prospective, randomized study. J Bome Joint Surg Am,2002;84A(3): 372.
6Haidukewych GJ, Isrsel TA, Berry DJ. Reverse oblipuity fractures of the intertrochanteric region of the femur. J Bone Joint Surg Am,2001 ;83A(5): 643.
4Malkani AL, Rand JA. Subcapital femoral neck fracture following open reduction and internal fixation of an intertrochanteric hiip fracture using a sliding screw and side plate [J]. Orthop Rev, 1993, 22(4): 469-472.
5Evans EM. The treatment of trochanteric fractures of the femur [J]. J Bone Joint Surg Br, 1949, 31B(2): 190-203.
6Harris WH. Advances in total hip arthroplasty: the metal-backed acetabular component [J]. Clin Orthop Relat Res, 1984, (183): 4-11.
7Yaozeng X, Dechun G, Huilin Y, et al. Comparative study of trochanteric fracture treated with the proximal femoral nail anti-rotaton and the third generation of gamma nail [J]. Injury, 2010, 41(12): 1234-1238.
8Yang YH, Wang YR, Jiang SD, et al. Proximal femoral nail antirotation and third-generation Gamma nail: which is a better device for the treatment of intertrochanteric fractures? [J]. Singapore Med J, 2013, 54(8): 446-450.
