Treatment of pernicious anemia with crystalline vitamin B12.
D000752:Anemia, Pernicious; D006397:Hematinics; D006801:Humans; D014805:Vitamin B 12; D014803:Vitamin B Complex; D014815:Vitamins
D006397:Hematinics; D014815:Vitamins; D014803:Vitamin B Complex; D014805:Vitamin B 12
VITAMIN B