Vitamin B12 in relationship to aging.
D000375:Aging; D045728:Corrinoids; D006397:Hematinics; D006801:Humans; D014805:Vitamin B 12 / Q000378:metabolism*; D014803:Vitamin B Complex
D045728:Corrinoids; D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12
AGING/effects; VITAMIN B12/metabolism