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Steenvoorden MM, Huizinga TW, Verzijl N, Bank RA, Ronday HK, Luning HA, Lafeber FP, Toes RE, DeGroot J.Steenvoorden MM, et al. Among authors: verzijl n.Arthritis Rheum. 2006 Jan;54(1):253-63. doi: 10.1002/art.21523.Arthritis Rheum. 2006.PMID: 16385542Free article.