Vitamin B12 absorption correlated witthe gastric secretion of intrinsic factor as determined by radioimmunoassay following stimulation with histamine or pentagastrin.
D000126:Achlorhydria / Q000378:metabolism; D000748:Anemia, Macrocytic / Q000175:diagnosis; D005755:Gastrins / Q000008:administration & dosage; D006632:Histamine / Q000008:administration & dosage; D006801:Humans; D007408:Intestinal Absorption; D007437:Intrinsic Factor / Q000378:metabolism*; D008286:Malabsorption Syndromes / Q000175:diagnosis; D011863:Radioimmunoassay; D013268:Stimulation, Chemical; D013997:Time Factors; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism*
D005755:Gastrins; D006632:Histamine; D007437:Intrinsic Factor; D014805:Vitamin B 12