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Karassa FB, Bijl M, Davies KA, Kallenberg CG, Khamashta MA, Manger K, Michel M, Piette JC, Salmon JE, Song YW, Tsuchiya N, Yoo DH, Ioannidis JP.Karassa FB, et al.Arthritis Rheum. 2003 Jul;48(7):1930-8. doi: 10.1002/art.11059.Arthritis Rheum. 2003.PMID: 12847687Free article.