[Radiation safety in work with substances containing actinium].
D000186:Actinium; D000398:Air Pollution, Radioactive; D004781:Environmental Exposure; D009787:Occupational Medicine; D011835:Radiation Protection; D013910:Thorium
D013910:Thorium; D000186:Actinium
Radiatsionnaia bezopasnost' pri rabote s aktiniĭsoderzhashchimi veshchestvami.