Sites of absorption of vitamin B12.
D001669:Biochemical Phenomena; D045728:Corrinoids; D006397:Hematinics; D007422:Intestines / Q000502:physiology*; D014805:Vitamin B 12 / Q000378:metabolism*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
INTESTINES/physiology; VITAMIN B12/metabolism