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Köhler M, Burg MC, Bunck AC, Heindel W, Seifarth H, Maintz D.Köhler M, et al. Among authors: bunck ac.Radiol Res Pract. 2011;2011:103873. doi: 10.1155/2011/103873. Epub 2011 Jul 18.Radiol Res Pract. 2011.PMID: 22091369Free PMC article.