title: An investigation of air pollution experienced by toll-collectors at a major road bridge toll.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D006801:Humans; D006113:United Kingdom; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D001335:Vehicle Emissions