1. New Haven survey of joint diseases XVI impairment, disability, and arthritis;Acheson;Br J Prev Soc Med,1973
2. Osteoarthritis of knee: A radiographic investigation;Ahlback;Acta Radiol (Stockh),1968
3. formation of calcium phosphate crystals in normal and osteoarthritic cartilage;Ali;Ann Rheum Dis,1983
4. Radiographic assessment of progression in osteoarthritis;Altman;Arthritis Rheum,1987
5. Factors associated with knee osteoarthritis (OA) in the HANES I survey, evidence for an association with overweight, race and physical demands of work;Anderson;Am J Epidemiol,1988