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Zochling J, Sieper J, van der Heijde D, Braun J; Assessment in Ankylosing Spondylitis International Working Group.Zochling J, et al. Among authors: sieper j.J Rheumatol. 2008 Jun;35(6):1079-82. Epub 2008 May 1.J Rheumatol. 2008.PMID: 18464306
van der Heijde D, Dijkmans B, Geusens P, Sieper J, DeWoody K, Williamson P, Braun J; Ankylosing Spondylitis Study for the Evaluation of Recombinant Infliximab Therapy Study Group.van der Heijde D, et al. Among authors: sieper j.Arthritis Rheum. 2005 Feb;52(2):582-91. doi: 10.1002/art.20852.Arthritis Rheum. 2005.PMID: 15692973Free article.Clinical Trial.