title: [Radioactive factor in tobacco smoke].
mesh_terms: D008175:Lung Neoplasms / Q000209:etiology; D010947:Plants, Toxic; D011059:Polonium / Q000032:analysis*; D011886:Radon / Q000032:analysis*; D014026:Nicotiana / Q000032:analysis*
chemical_list: D011059:Polonium; D011886:Radon
vernacular_title: Radioaktivnyĭ faktor tabachnogo dyma.