Nonanemic pernicious anemia. Delay in diagnosis.
D000368:Aged; D000752:Anemia, Pernicious / Q000175:diagnosis* / Q000188:drug therapy; D001772:Blood Cell Count; D006801:Humans; D008297:Male; D008875:Middle Aged; D010523:Peripheral Nervous System Diseases / Q000209:etiology; D013997:Time Factors; D014805:Vitamin B 12 / Q000627:therapeutic use
D014805:Vitamin B 12