title: Atmospheric turbidity and CCl 3 F concentrations in rural southern England and southern Ireland.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D003720:Densitometry; D004739:England; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D007494:Ireland; D012423:Rural Health; D012621:Seasons
chemical_list: D006846:Hydrocarbons, Halogenated