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Hoffmüller U, Knaute T, Hahn M, Höhne W, Schneider-Mergener J, Kramer A.Hoffmüller U, et al.EMBO J. 2000 Sep 15;19(18):4866-74. doi: 10.1093/emboj/19.18.4866.EMBO J. 2000.PMID: 10990450Free PMC article.