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Sokka T, et al. Physical Inactivity in Patients With Rheumatoid Arthritis: Data From Twenty-One Countries in a Cross-Sectional, International Study. Arthritis & Rheumatism (Arthritis Care & Research) 2008;59(1):42–50. DOI 10.1002/art.23255
Lisa Emrich is author of the blog Brass and Ivory: Life with MS and RA and founder of the Carnival of MS Bloggers.

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