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Tudhope SJ, von Delwig A, Falconer J, Pratt A, Woolridge T, Wilson G, Isaacs JD, Ng WF.Tudhope SJ, et al. Among authors: isaacs jd.Ann Rheum Dis. 2010 Oct;69(10):1873-9. doi: 10.1136/ard.2009.125849. Epub 2010 May 5.Ann Rheum Dis. 2010.PMID: 20444757