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van Assen S, Holvast A, Benne CA, Posthumus MD, van Leeuwen MA, Voskuyl AE, Blom M, Risselada AP, de Haan A, Westra J, Kallenberg CG, Bijl M.van Assen S, et al. Among authors: risselada ap.Arthritis Rheum. 2010 Jan;62(1):75-81. doi: 10.1002/art.25033.Arthritis Rheum. 2010.PMID: 20039396Free article.