Uptake of radioactive vitamin B12 by the liver in humans: test for measurement of intestinal absorption of vitamin B12 and intrinsic factor activity.
D005750:Gastric Juice; D006801:Humans; D007408:Intestinal Absorption; D007421:Intestine, Small / Q000502:physiology*; D007422:Intestines; D007437:Intrinsic Factor; D008099:Liver / Q000378:metabolism*; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D014805:Vitamin B 12
GASTRIC JUICE; INTESTINE, SMALL/physiology; LIVER/metabolism; VITAMIN B12/metabolism