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Schmidt M, Hartung R, Capellino S, Cutolo M, Pfeifer-Leeg A, Straub RH.Schmidt M, et al. Among authors: capellino s.Arthritis Rheum. 2009 Oct;60(10):2913-22. doi: 10.1002/art.24859.Arthritis Rheum. 2009.PMID: 19790073Free article.