4Prtchard JJ.The osteoblast.In Bourne Gh ed. The biochemistry and Physiology of bone[J]. Vol I.New Yorkl:Academic, 1972, 24.
5Takaodak, Yoshioka T, Hosoga t et al. The repair process in experimentary induced avascular hecrlsis of the femoral head in doge[J]. Arch Orthop Treatmen Surg, 1981,99:109.
6Hemefalk L. Messnerk.Rigid. ostelsynthesis, decrease the late Complication rare after femoral neck fracture[J]. The influence of three different osteo synthesis devices evaluatde in 369 patsents.Arch orthop Traum Surg, 1996, 115 : 71.
7Bout CA. Cannegieter, DM, Jutt mann J w, et al. Percutaneous cannulated screw fixation of the femoral neck fracture: the three point principle. Injury, 1997, 28 (2): 135
9Asnis SE, Wanek-Sgaglion L. Intracapsular fracture of the femoral neck: results of cannulated screw fixation. J Bone Joint Surg (Am),1994, 76:1793
10Laursen JO. Treatment of intracapsular fracture of the femoral neck in Denmark: trends in indications over the past decade. Acta Orthop Belg, 1999, 65 (4): 478
