VITAMIN B12 folacin and methyl group synthesis.
D005492:Folic Acid / Q000494:pharmacology*; D006801:Humans; D008660:Metabolism; D014805:Vitamin B 12 / Q000494:pharmacology*
D005492:Folic Acid; D014805:Vitamin B 12
FOLIC ACID/effects; METABOLISM; VITAMIN B12/effects