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Rudwaleit M, Olivieri I, Boki KA, Griep EN, Järvinen P, Wong RL, Kron M, Kary S, Kupper H.Rudwaleit M, et al. Among authors: griep en.Rheumatology (Oxford). 2009 May;48(5):551-7. doi: 10.1093/rheumatology/kep022. Epub 2009 Mar 1.Rheumatology (Oxford). 2009.PMID: 19254918Clinical Trial.
van den Borne BE, Landewé RB, Rietveld JH, Goei The HS, Griep EN, Breedveld FC, Dijkmans BA.van den Borne BE, et al. Among authors: griep en.Clin Rheumatol. 1999;18(5):369-72. doi: 10.1007/s100670050121.Clin Rheumatol. 1999.PMID: 10524550Clinical Trial.