title: [Half-life periods of naturally radioactive substances in the lungs and their hygienic significance].
mesh_terms: D000336:Aerosols; D000818:Animals; D004391:Dust; D006207:Half-Life; D006801:Humans; D007700:Kinetics; D008168:Lung / Q000528:radiation effects*; D008297:Male; D008903:Minerals / Q000009:adverse effects*; D010316:Particle Size; D011868:Radioisotopes / Q000009:adverse effects*; D051381:Rats; D013910:Thorium / Q000009:adverse effects; D014501:Uranium / Q000009:adverse effects
chemical_list: D000336:Aerosols; D004391:Dust; D008903:Minerals; D011868:Radioisotopes; D014501:Uranium; D013910:Thorium
vernacular_title: Periody poluvyvedeniia estestvenno-radioaktivnykh veshchestv iz legkikh i ikh gigienicheskoe znachenie.