Comparison of the urinary excretion and 8 hour plasma tests for vitamin B12 absorption.
D000752:Anemia, Pernicious / Q000188:drug therapy*; D003036:Cobalt Isotopes; D006801:Humans; D008286:Malabsorption Syndromes / Q000175:diagnosis*; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000097:blood / Q000378:metabolism* / Q000652:urine
D003036:Cobalt Isotopes; D014805:Vitamin B 12