title: The importance of blood resistivity in the measurement of cardiac output by the thoracic impedance method.
mesh_terms: D000328:Adult; D001790:Blood Physiological Phenomena; D002302:Cardiac Output; D004553:Electric Conductivity; D006801:Humans; D007457:Iodine Radioisotopes; D008875:Middle Aged; D013909:Thorax / Q000502:physiology
chemical_list: D007457:Iodine Radioisotopes