title: Letter: Intrinsic-factor antibody and vitamin B.
mesh_terms: D000328:Adult; D000752:Anemia, Pernicious / Q000276:immunology*; D000906:Antibodies / Q000302:isolation & purification*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D007437:Intrinsic Factor / Q000276:immunology*; D008297:Male; D014805:Vitamin B 12
chemical_list: D000906:Antibodies; D007437:Intrinsic Factor; D014805:Vitamin B 12