title: A COUNT-INTEGRATOR FOR DIRECT INDICATION OF RELATIVE ACTIVITIES.
mesh_terms: D001810:Blood Volume; D003036:Cobalt Isotopes; D007456:Iodine Isotopes; D011874:Radiometry; D011879:Radiotherapy Dosage; D013960:Thyroid Function Tests
chemical_list: D003036:Cobalt Isotopes; D007456:Iodine Isotopes
keywords: BLOOD VOLUME; COBALT ISOTOPES; IODINE ISOTOPES, DIAGNOSTIC; RADIOMETRY; RADIOTHERAPY DOSAGE; THYROID GLAND FUNCTION TESTS