Improved urinary excretion test for assay of intrinsic factor.  II.  Sensitive counting technic.
D001681:Biological Assay; D001826:Body Fluids; D005750:Gastric Juice; D006801:Humans; D007437:Intrinsic Factor; D014556:Urine
D007437:Intrinsic Factor
GASTRIC JUICE; URINE