title: Clinical immunology for the gastroenterologist.
mesh_terms: D001402:B-Lymphocytes; D004064:Digestive System / Q000276:immunology*; D005767:Gastrointestinal Diseases / Q000276:immunology*; D006680:HLA Antigens; D006801:Humans; D013601:T-Lymphocytes
chemical_list: D006680:HLA Antigens