title: Canyons up the pollution ante.
authors.forename: M Nathaniel
authors.initials: MN
authors.lastname: Mead
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000397:Air Pollution / Q000032:analysis*; D006801:Humans; D018986:Motor Vehicles; D009519:New York City; D018570:Risk Assessment; D014504:Urban Health; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D001335:Vehicle Emissions