tivities in the large bowel mucosa of ulcerative colitis patients. Agents Actions 1990;30:264-6. Medline 68.«+ EFTA00566752 Raithel M, Ulrich P, Keymling J, Hahn EG. Analysis and topographical distribution of gut diamine oxidase activity in patients with food allergy. Ann N YAcad Sci 1998;859:258-61. M