title: Cell-mediated immune reaction to colon altered by bacteria.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D000941:Antigens; D003093:Colitis, Ulcerative / Q000209:etiology / Q000276:immunology*; D003106:Colon / Q000276:immunology*; D004926:Escherichia coli / Q000276:immunology*; D006801:Humans; D007783:Lactones / Q000494:pharmacology; D008297:Male; D012882:Skin Tests; D013242:Sterilization; D014020:Tissue Extracts
chemical_list: D000900:Anti-Bacterial Agents; D000941:Antigens; D007783:Lactones; D014020:Tissue Extracts