1. Consensus conference: Osteoporosis;National Institutes of Health,1984
2. Involutional Osteoporosis;Riggs;N Engl J Med,1986
3. Evidence for two distinct syndromes of involutional osteoporosis;Riggs;Am J Med,1983
4. Epidemiology of fractures of the proximal femur in Rochester, Minnesota;Gallagher;Clin Orthop,1980
5. The significance and comparative analysis of the epidemiology of hip fractures;Lewinnek;Clin Orthop,1980