Immunology of the gastrointestinal tract and liver.
D001327:Autoimmune Diseases / Q000276:immunology; D002446:Celiac Disease / Q000276:immunology; D003093:Colitis, Ulcerative / Q000276:immunology; D003424:Crohn Disease / Q000276:immunology; D004064:Digestive System / Q000276:immunology*; D005759:Gastroenteritis / Q000276:immunology; D006505:Hepatitis / Q000276:immunology; D006801:Humans; D008099:Liver / Q000276:immunology*