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Kraan MC, de Koster BM, Elferink JG, Post WJ, Breedveld FC, Tak PP.Kraan MC, et al. Among authors: tak pp.Arthritis Rheum. 2000 Jul;43(7):1488-95. doi: 10.1002/1529-0131(200007)43:7<1488::AID-ANR11>3.0.CO;2-G.Arthritis Rheum. 2000.PMID: 10902750Free article.Clinical Trial.