title: [Current trends in the development and applications of sealed radiation sources and isotope gauges in Japan (III)].
mesh_terms: D000056:Accident Prevention; D007564:Japan; D009686:Nuclear Physics / Q000295:instrumentation*; D011832:Radiation Injuries / Q000517:prevention & control; D011868:Radioisotopes; D012015:Reference Standards; D012449:Safety
chemical_list: D011868:Radioisotopes