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Seitz G, Stickel F, Fiehn W, Werle E, Simanowski UA, Seitz HK.Seitz G, et al. Among authors: seitz hk.Dtsch Med Wochenschr. 1995 Mar 24;120(12):391-5. doi: 10.1055/s-2008-1055358.Dtsch Med Wochenschr. 1995.PMID: 7705200German.