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Hinkema HJ, Nienhuis HL, de Groot L, Smit AJ, van Roon AM, Bijl M, Posthumus MD.Hinkema HJ, et al. Among authors: nienhuis hl.J Rheumatol. 2011 Oct;38(10):2133-40. doi: 10.3899/jrheum.100989. Epub 2011 Aug 15.J Rheumatol. 2011.PMID: 21844153