rger HG. Determination of histamine degradation capacity in extremely small human colon samples. Inflamm Res 2001;50(suppl):S96-7. 33.a Raithel M, Kufner M, Ulrich P Hahn EG. The involvement of the histamine degradation pathway by diamine oxidase in manifest gastrointestinal allergies. Iellamm Res 1999;