title: Polynuclear aromatic hydrocarbon composition of the atmosphere in some large American cities.
mesh_terms: D000397:Air Pollution; D001272:Atmosphere; D002947:Cities; D006801:Humans; D011084:Polycyclic Aromatic Hydrocarbons; D014481:United States
chemical_list: D011084:Polycyclic Aromatic Hydrocarbons
keywords: AIR POLLUTION