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Pace A, Topalidis T, Bläker M, Guthoff A, de Weerth A, Lohse AW.Pace A, et al. Among authors: guthoff a.Z Gastroenterol. 2007 Dec;45(12):1245-51. doi: 10.1055/s-2007-963447.Z Gastroenterol. 2007.PMID: 18080226German.
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Grosser S, Kreymann G, Guthoff A, Taube C, Raedler A, Tilsner V, Greten H.Grosser S, et al. Among authors: guthoff a.Dtsch Med Wochenschr. 1990 Dec 21;115(51-52):1939-44. doi: 10.1055/s-2008-1065246.Dtsch Med Wochenschr. 1990.PMID: 2261858German.
Guthoff A, Klapdor U, Klapdor R, Eichfuss HP, Dallek M, Greten H.Guthoff A, et al.Dtsch Med Wochenschr. 1984 Sep 14;109(37):1410-2. doi: 10.1055/s-2008-1069387.Dtsch Med Wochenschr. 1984.PMID: 6383759German.No abstract available.