Intestinal absorption and hepatic uptake of radioactive vitamin B12 in various age groups and the effect of intrinsic factor preparations.
D007408:Intestinal Absorption; D007422:Intestines / Q000502:physiology*; D007437:Intrinsic Factor; D008099:Liver / Q000378:metabolism*; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D014805:Vitamin B 12
INTESTINES/physiology; LIVER/metabolism; VITAMIN B12/metabolism