Scientific papers published about this study include:
Quality of nonpharmacological care in the community for people with knee and hip osteoarthritis. Li LC, Sayre EC, Kopec JA, Esdaile JM, Bar S, Cibere J. Journal of Rheumatology. October 2011; 38(10); 2230-2237.
The effect of disease site (knee, hip, hand, foot, lower back or neck) on employment reduction due to osteoarthritis. Li LC, Sayre EC, Kopec JA, Esdaile JM, Bar S, Cibere J. PLoS One. 2010 May 3.