[Improvement in governmental sanitary surveillance in the area of monitoring the status of radioactivity in the environment].
D004784:Environmental Monitoring / Q000639:trends*; D006077:Government Agencies; D011848:Radioactive Pollutants / Q000032:analysis*; D014586:USSR
D011848:Radioactive Pollutants
Sovershenstvovanie gosudarstvennogo santiarnogo nadzora v oblasti kontrolia za sostoianiem radioaktivnosti okruzhaiushcheĭ sredy.