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Pfister R, Scholz M, Wielckens K, Erdmann E, Schneider CA.Pfister R, et al.Dtsch Med Wochenschr. 2002 Dec 6;127(49):2605-9. doi: 10.1055/s-2002-35931.Dtsch Med Wochenschr. 2002.PMID: 12469271German.
Pfister R, Erdmann E, Schneider CA.Pfister R, et al.Dtsch Med Wochenschr. 2003 May 2;128(18):1007-12. doi: 10.1055/s-2003-38957.Dtsch Med Wochenschr. 2003.PMID: 12721882Review.German.No abstract available.
Er F, Erdmann E, Pfister R.Er F, et al. Among authors: pfister r.Dtsch Med Wochenschr. 2007 May 25;132(21):1177-9. doi: 10.1055/s-2007-979395.Dtsch Med Wochenschr. 2007.PMID: 17506014German.No abstract available.