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Peterfy CG, DiCarlo JC, Olech E, Bagnard MA, Gabriele A, Gaylis N.Peterfy CG, et al.Arthritis Res Ther. 2012 May 30;14(3):R131. doi: 10.1186/ar3861.Arthritis Res Ther. 2012.PMID: 22647501Free PMC article.