[Characteristics of the hygienic evaluation of the natural source of radiation].
D000398:Air Pollution, Radioactive / Q000517:prevention & control*; D001417:Background Radiation; D006801:Humans; D008452:Maximum Allowable Concentration; D011835:Radiation Protection / Q000592:standards*; D011839:Radiation, Ionizing
Osobennosti gigienicheskoĭ otsenki estestvennogo fona radiatsii.