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Kelley GA, Kelley KS, Hootman JM, Jones DL.Kelley GA, et al. Among authors: kelley ks.Arthritis Care Res (Hoboken). 2011 Jan;63(1):79-93. doi: 10.1002/acr.20347.Arthritis Care Res (Hoboken). 2011.PMID: 20824798Free article.