6Patricia AD, Michael IS. Bone biology and the clinical implications for osteoporosis [ J]. Physical Therapy, 2006, 1:77 -92.
7Elaine MM. Designing exercise programs to lower fracture risk in mature women [ J ]. Strength and Conditioning Journal, 2006,1:24 - 30.
8Mayhew PM, Thomas CD, Clement JG, et al. Relation between age, femoral neck cortical stability, and hip fracture risk[J]. The Lancet, 2005, 9480 : 129 - 136.