title: Granulomatous gastritis, iron deficiency, vitamin B12 malabsorption and immunoglobulin deficiency.
mesh_terms: D000126:Achlorhydria / Q000150:complications; D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications*; D000747:Anemia, Hypochromic / Q000150:complications*; D005756:Gastritis / Q000150:complications*; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D014805:Vitamin B 12 / Q000378:metabolism*
chemical_list: D014805:Vitamin B 12