title: LOW-BACKGROUND BETA COUNTERS FOR IODINE-131 SOURCES.
mesh_terms: D002845:Chromatography; D007455:Iodine; D007456:Iodine Isotopes; D011868:Radioisotopes; D011874:Radiometry; D012106:Research
chemical_list: D007456:Iodine Isotopes; D011868:Radioisotopes; D007455:Iodine
keywords: CHROMATOGRAPHY; EXPERIMENTAL LAB STUDY; IODINE ISOTOPES; RADIOMETRY