1. Praemer MA, Furner S, Rice DP. Musculoskeletal conditions in the United States. Park Ridge IL: American Academy of Orthopedic Surgeons, 1992.
2. Cummings SR, Black DM, Nevitt MC, Browner WS, Cauley JA, Ensrud K, Genant HK, Palermo L, Scott JC, Vogt TM, and the Study of Osteoporotic Fractures Research Group. Bone density at various sites for prediction of hip fractures. Lancet 1993;341:72–5.
3. National Center for Health Statistics. Plan and operation of the Third National Health and Nutrition Examination Survey, 1988–94. Vital Health Stat 1 (32). DHHS Publication no. (PHS) 94-1308. Hyattsville, MD, 1994.
4. Looker AC, Harris TB, Wahner HW. Assessing hip fracture risk in a population-based health survey: the NHANES III osteoporosis component. Aging: Clin Exp Res 1992;4:53–60.
5. Looker AC, Johnston CC Jr, Wahner HW, Dunn WL, Calvo MS, Harris TB, et al. Prevalence of low femoral bone density in older US women from NHANES III. J Bone Miner Res 1995;10:1–7.