Immune responses and the gut.
D000917:Antibody Formation; D001327:Autoimmune Diseases / Q000209:etiology; D005767:Gastrointestinal Diseases / Q000209:etiology / Q000276:immunology; D006801:Humans; D007422:Intestines / Q000276:immunology*; D008221:Lymphoid Tissue / Q000276:immunology