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Wedegärtner U, Otto U, Buitrago-Tellez C, Bremerich J, Oertli D, Torhorst J, Bongartz G.Wedegärtner U, et al. Among authors: bremerich j.Rofo. 2001 Mar;173(3):224-8. doi: 10.1055/s-2001-11609.Rofo. 2001.PMID: 11293864German.