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van Kuijk AW, Wijbrandts CA, Vinkenoog M, Zheng TS, Reedquist KA, Tak PP.van Kuijk AW, et al. Among authors: zheng ts.Ann Rheum Dis. 2010 Jan;69(1):301-4. doi: 10.1136/ard.2008.090548.Ann Rheum Dis. 2010.PMID: 19147618Free PMC article.