title: Determination of polycyclic hydrocarbons in air by gas chromatography with high efficiency packed columns.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001580:Benzopyrenes / Q000032:analysis; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D011083:Polycyclic Compounds / Q000032:analysis*
chemical_list: D001580:Benzopyrenes; D011083:Polycyclic Compounds