5Simmermacher RK, Bosch AM, Vander - Werken C. The AO/ASIF - proximal femoral nail (PFN) : a new device for the treatment of unstable proximal femoral fractures. Injury, 1999,30:327.
5[1]Zuckerman J D,Skovron M L,Koval KJ,et al.Postoperative complications and mortality associated with operative delay in older patients who have fracture of the hip.J.Bone Joint Surg(Am).1995,77:1551
6[2]Horowitz B G.Retrospective analysis of hip fractures.Surg Gynecol Obstet,1966,123:565
7Fox KM, Magaziner J, Hawkes WG, et al. Osteoporos Int,2000;11(1):31-35.
8Madsen JE, Naess L, Aune AK, et al. J Orthop Trauma, 1998;12(4) :241-248.
9Adams CI, Robinson CM, Court-Brown CM, et al. J Orthop Trauma, 2001 ; 15 (6) : 394- 400.
10Haidukewych GJ, Israel TA, Berry DJ. J Bone Joint Surg Am,2001 ; 83(5) : 643- 650.