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Coll-Vinent B, Cebrián M, Cid MC, Font C, Esparza J, Juan M, Yagüe J, Urbano-Márquez A, Grau JM.Coll-Vinent B, et al. Among authors: cid mc.Arthritis Rheum. 1998 Mar;41(3):435-44. doi: 10.1002/1529-0131(199803)41:3<435::AID-ART9>3.0.CO;2-9.Arthritis Rheum. 1998.PMID: 9506571