3PARKER M J, GURUSAMY K. Modern methods of treating hip fractures [ J ]. Disabil Rehabil,2005,27 : 1045 - 1049.
4GASALETTO J A,GATT R. Post - operative mortality related to waiting time for hip fracture surgery[J]. Injury,2004,35:114. 120.
5BOLDIN C, SEIBERT F J, FANKHAUSE F, et al. The proximal femoral nail (PFN):a minimal invasive treatment of unstable proximal fracture:a prospective study of 55 patients with a follow - up 15 months[ J]. Acta Orthop Scand,2003,74:53 - 58.