Vitamin B12 absorption. A correctable intestinal defect in pernicious anemia.
D000752:Anemia, Pernicious / Q000150:complications*; D006801:Humans; D007421:Intestine, Small / Q000378:metabolism; D007437:Intrinsic Factor / Q000378:metabolism; D008286:Malabsorption Syndromes / Q000188:drug therapy* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000150:complications
D007437:Intrinsic Factor; D014805:Vitamin B 12