By the way, doctor.  I have pernicious anemia, and I get a monthly injection of vitamin B12.  I have heard that there may be a pill that I could take instead.  Is that true?
Komaroff
Anthony L
AL
D000752:Anemia, Pernicious / Q000188:drug therapy*; D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage*
D014805:Vitamin B 12