1. Prevalence of disabilities and associated health conditions among adults–United States, 1999. [Erratum appears in MMWR Morb Mortal Wkly Rep 2001 Mar 2;50(8):149.];MMWR – Morbid Mortal Week Rep,2001
2. The effects of specific medical conditions on the functional limitations of elders in the Framingham Study;Guccione;Am J Pub Health,1994
3. Disability-adjusted life years (DALYs) for 291 diseases and injuries in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010;Murray;Lancet,2013
4. Painful Realities: The economic impact of Arthritis in Australia in 2007. 2007. Access Economics, Arthritis Australia. Ref Type: Report. http://www.arthritisaustralia.com.au/index.php/reports/painful-realities-2007.html.
5. Lifetime risk and age of diagnosis of symptomatic knee osteoarthritis in the US;Losina;Arthritis Care Res (Hoboken),2012