Improvisation revisited. Oral cyanocobalamin without intrinsic factor for pernicious anemia.
D000284:Administration, Oral; D000368:Aged; D000752:Anemia, Pernicious / Q000188:drug therapy*; D001628:Beverages; D005260:Female; D005638:Fruit; D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage*
D014805:Vitamin B 12