B12 vitamins (cobalamins).  I.  Vitamins B12c and B12d.
D006397:Hematinics; D014801:Vitamin A; D014805:Vitamin B 12; D014815:Vitamins
D006397:Hematinics; D014815:Vitamins; D014801:Vitamin A; D014805:Vitamin B 12
VITAMIN B12