title: [The international Co-60 gamma ray dosimetry intercomparisons at NIRS].
mesh_terms: D003037:Cobalt Radioisotopes; D005720:Gamma Rays; D006077:Government Agencies; D007564:Japan; D011874:Radiometry / Q000295:instrumentation / Q000592:standards*; D011879:Radiotherapy Dosage / Q000592:standards; D012955:Societies, Medical
chemical_list: D003037:Cobalt Radioisotopes