title: Aetiopathogenesis of ulcerative colitis.
mesh_terms: D003093:Colitis, Ulcerative / Q000209:etiology* / Q000235:genetics / Q000276:immunology; D006680:HLA Antigens; D006801:Humans; D007413:Intestinal Mucosa / Q000503:physiopathology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D006680:HLA Antigens