5Bansal R, Luscombe J, Cooper JP. Post-operative mortality related to waiting time for hip fracture surgery [J]. Injury, 2005,36 (8) : 984.
6McLoughlin SW, Wheeler DL, Rider J, et al. Biomechanical eva- luation of the dynamic hip screw with two-and four-hole side plates[J]. J Orhop Trauma, 2000, 1 4 (5) :318-323.
7Yian EH, Banerji I, Matthews LS. Optimal side plate fixation for unstable intertrochanteric hip fractures[J]. J Orthop Trauma, 1997, 11 (4) : 254-259.
8Siwach RC, Rohilla R, Singh R, et al. Radiological and functional outcome in unstable ,osteoporotic trochanteric fractures stabilized with dynamic helical hip system[J]. Strategies Trauma Lima Re- constr,2013,8(2) : 117-122.
9Gotfried Y, Cohen B, Rotem A. Biomechanical evaluation of the percutaneous compression plating system for hip fractures [J]. J Orthop Trauma, 2002,16 (9) : 644-650.
10Simecek M,Simecek K,Svoboda V,et al. PCCP-first choice of the treatment of trochanteric fractures in our orthopaedic depart- ment[J]. Rozhl Chir,2010,89(2) : 150-158.