title: Detection of some polynuclear aromatic hydrocarbons and determination of benzo (a) pyrene in Teheran atmosphere.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001551:Benz(a)Anthracenes / Q000032:analysis; D001580:Benzopyrenes / Q000032:analysis*; D002855:Chromatography, Thin Layer; D007492:Iran; D010616:Phenanthrenes / Q000032:analysis; D013050:Spectrometry, Fluorescence
chemical_list: D001551:Benz(a)Anthracenes; D001580:Benzopyrenes; D010616:Phenanthrenes