Measurements of radioisotopes in blood applied to determinations of the true hematocrit.
D006400:Hematocrit; D006801:Humans; D007554:Isotopes; D011851:Radioactivity; D011868:Radioisotopes / Q000032:analysis*
D007554:Isotopes; D011868:Radioisotopes
ISOTOPES, RADIOACTIVE/determination