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Jäger M, Tillmann FP, Thornhill TS, Mahmoudi M, Blondin D, Hetzel GR, Zilkens C, Krauspe R.Jäger M, et al. Among authors: zilkens c.Arthritis Res Ther. 2008;10(5):R120. doi: 10.1186/ar2526. Epub 2008 Oct 3.Arthritis Res Ther. 2008.PMID: 18834533Free PMC article.Clinical Trial.