title: Distribution of alpha-emitting radionuclides in cigarette filters: a preliminary report.
mesh_terms: D000512:Alpha Particles; D005374:Filtration / Q000295:instrumentation*; D010947:Plants, Toxic; D011059:Polonium / Q000032:analysis; D012906:Smoke; D014026:Nicotiana
chemical_list: D012906:Smoke; D011059:Polonium