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Röttgen R, Schröder RJ, Lorenz M, Herbel A, Fischbach F, Herzog H, Lopez-Häninnen E, Gutberlet M, Hoffmann K, Helmig K, Felix R.Röttgen R, et al. Among authors: hoffmann k.Rofo. 2003 Oct;175(10):1384-91. doi: 10.1055/s-2003-42893.Rofo. 2003.PMID: 14556108German.
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