title: An immunological study of categories of gastritis.
mesh_terms: D000752:Anemia, Pernicious / Q000276:immunology*; D001323:Autoantibodies / Q000032:analysis; D005455:Fluorescent Antibody Technique; D005753:Gastric Mucosa / Q000032:analysis; D005756:Gastritis / Q000276:immunology*; D006801:Humans; D007408:Intestinal Absorption; D007437:Intrinsic Factor; D011178:Postgastrectomy Syndromes / Q000276:immunology*; D014805:Vitamin B 12 / Q000097:blood
chemical_list: D001323:Autoantibodies; D007437:Intrinsic Factor; D014805:Vitamin B 12