LANTHANUM-140 AS A MEASURE OF THE COMPLETENESS OF STOOL COLLECTIONS. DEMONSTRATION OF DELAYED EXCRETION OF IRON-59.
D001692:Biological Transport; D005243:Feces; D006801:Humans; D007422:Intestines; D007501:Iron / Q000378:metabolism*; D007503:Iron Isotopes; D007811:Lanthanum; D011868:Radioisotopes
D007503:Iron Isotopes; D011868:Radioisotopes; D007811:Lanthanum; D007501:Iron
FECES; INTESTINES; IRON ISOTOPES; IRON METABOLISM; LANTHANUM; RADIOISOTOPES