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Cid MC, Font C, Oristrell J, de la Sierra A, Coll-Vinent B, López-Soto A, Vilaseca J, Urbano-Márquez A, Grau JM.Cid MC, et al. Among authors: grau jm.Arthritis Rheum. 1998 Jan;41(1):26-32. doi: 10.1002/1529-0131(199801)41:1<26::AID-ART4>3.0.CO;2-0.Arthritis Rheum. 1998.PMID: 9433866
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