The effect of intrinsic factor on the absorption of vitamin B12 in older people.
D000368:Aged; D000375:Aging; D005750:Gastric Juice; D006801:Humans; D007437:Intrinsic Factor; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D014805:Vitamin B 12
AGING/effects; GASTRIC JUICE; VITAMIN B12/metabolism