title: Abnormal concentration of U in many brands of South American cigarette tobacco.
authors.forename: J D
authors.initials: JD
authors.lastname: Arruda-Neto
mesh_terms: D010947:Plants, Toxic; D013020:South America; D014026:Nicotiana / Q000032:analysis*; D014501:Uranium / Q000032:analysis*
chemical_list: D014501:Uranium