1 . Cooper C,Campion G,Melton LJ Ⅲ,et al . Hip fractures in the elderly:a world‐wide projection . Os teoporos Int,1992,2.2 .伍贤平,廖二元,黄干,等.老年妇女不同骨骼部位的骨丢失及其对诊断骨质疏松症的评价.中华老年医学杂志,1999,18.14 . Manson NA,Phillips FM . Minimally invasive tech niques for the treat ......