The measurement of iron absorption by the double isotope technique.
D000042:Absorption; D001774:Blood Chemical Analysis; D001815:Bloodletting; D006432:Hemochromatosis; D006801:Humans; D007501:Iron / Q000378:metabolism*; D007503:Iron Isotopes; D011874:Radiometry; D013103:Spherocytosis, Hereditary; D013156:Splenectomy
D007503:Iron Isotopes; D007501:Iron