1. Prevalence of self-reported arthritis or chronic joint symptoms among adults—United States, 2001;MMWR Morb Mortal Wkly Rep,2002
2. Prevalence of disabilities and associated health conditions among adults—United States, 1999;MMWR Morb Mortal Wkly Rep,2001
3. Arthritis and other rheumatic conditions;Hemlick;Arthritis Care Res,1995
4. An essay on the biology of osteoarthritis;Bollet;Arthritis Rheum,1969
5. Epidemiology of osteoarthritis;Davis;Clin Geriatr Med,1988