1. Prevalence and most common causes of disability among adults;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2009
2. Insurer and out-of-pocket costs of osteoarthritis in the US: evidence from national survey data;Kotlarz;Arthritis Rheum,2009
3. Estimates of the prevalence of arthritis and other rheumatic conditions in the United States: part II;Lawrence;Arthritis Rheum,2008
4. Prevalence of knee symptoms and radiographic and symptomatic knee osteoarthritis in African Americans and Caucasians: the Johnston County Osteoarthritis Project;Jordan;J Rheumatol,2007
5. Osteoarthritis and sleep: the Johnston County Osteoarthritis Project;Allen;J Rheumatol,2008