title: Immunological systems in the gut and concepts of food allergy.
mesh_terms: D000818:Animals; D000906:Antibodies; D000941:Antigens; D002417:Cattle; D004064:Digestive System / Q000276:immunology*; D005512:Food Hypersensitivity; D006801:Humans; D008221:Lymphoid Tissue / Q000276:immunology; D005719:gamma-Globulins
chemical_list: D000906:Antibodies; D000941:Antigens; D005719:gamma-Globulins