title: Radioactivity in cigarette smoke.
mesh_terms: D000512:Alpha Particles; D001980:Bronchi / Q000528:radiation effects; D006801:Humans; D010947:Plants, Toxic; D011059:Polonium / Q000032:analysis*; D012906:Smoke / Q000032:analysis*; D014026:Nicotiana
chemical_list: D012906:Smoke; D011059:Polonium