title: Pathogenesis of ulcerative colitis.
authors.affiliation: UCLA Department of Medicine 90024.
authors.forename: F
authors.initials: F
authors.lastname: Shanahan
mesh_terms: D015551:Autoimmunity; D003093:Colitis, Ulcerative / Q000209:etiology* / Q000276:immunology / Q000473:pathology; D003424:Crohn Disease / Q000473:pathology; D006801:Humans; D008213:Lymphocyte Activation; D013601:T-Lymphocytes