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Koschel D, Prassler R.Koschel D, et al. Among authors: prassler r.Dtsch Med Wochenschr. 2001 Jun 22;126(25-26):739-44. doi: 10.1055/s-2001-15103.Dtsch Med Wochenschr. 2001.PMID: 11455664German.
Thomas K, Prassler R.Thomas K, et al. Among authors: prassler r.Dtsch Med Wochenschr. 2007 Dec;132(50):2683-4. doi: 10.1055/s-2007-993119.Dtsch Med Wochenschr. 2007.PMID: 18058659German.No abstract available.