Pernicious anemia.
D000328:Adult; D000368:Aged; D000752:Anemia, Pernicious / Q000175:diagnosis / Q000188:drug therapy / Q000266:history / Q000276:immunology / Q000378:metabolism / Q000473:pathology; D002675:Child, Preschool; D005060:Europe; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007437:Intrinsic Factor / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D009422:Nervous System Diseases / Q000209:etiology; D014481:United States; D014805:Vitamin B 12 / Q000378:metabolism / Q000627:therapeutic use
D007437:Intrinsic Factor; D014805:Vitamin B 12