title: Composition of airborne lead particles.
mesh_terms: D000397:Air Pollution / Q000032:analysis*; D001608:Beryllium; D001966:Bromine / Q000032:analysis; D002254:Carbonates / Q000032:analysis; D005374:Filtration; D007854:Lead / Q000032:analysis*; D013997:Time Factors; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D002254:Carbonates; D001335:Vehicle Emissions; D007854:Lead; D001608:Beryllium; D001966:Bromine