3Meredd YP.The AO/ASIF proxi-mal femoral nail antirotation (PFNA):a new design for the treatment of unstable fractures[J] .Injury,2009,40 (4):428.
4Zeng C,Wang YR,Wei J,et al.Treatment of trochanteric fractures with proximal femoral nail antirotation or dynamic hip screw systems:a meta-analysis[J].The Journal of International Medical Research,2012,40(3):839-851.
5Kammerlander C,Doshi H,Gebhard F,et al.Long-term results of the augmented PFNA:aprospective multicenter trial[J].Archives of Orthopaedic and Trauma Surgery,2014,134(3):343-349.
7Tang P,Hu F,Shen J,et al.Proximal femoral nail antirotation versus hemiarthroplasty:a study for the treatment of intertrochanteric fractures[J].Injury,2012,43(6):876-881.
8Xu YZ,Geng DC,Yang HL,et al.Comparative study of trochanteric fracture treated with the proximal femoral nail anti-rotation and the third generation of gamma nail[J].Injury,2010,41(12):1234-1238.
