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Sharp JT, Tsuji W, Ory P, Harper-Barek C, Wang H, Newmark R.Sharp JT, et al.Arthritis Care Res (Hoboken). 2010 Apr;62(4):537-44. doi: 10.1002/acr.20172.Arthritis Care Res (Hoboken). 2010.PMID: 20391509Free article.Clinical Trial.