title: Air pollution in the United States.
authors.affiliation: U.S. Environmental Protection Agency, Washington, DC 20460, USA.
authors.forename: M
authors.initials: M
authors.lastname: Nichols
mesh_terms: D000393:Air Pollutants / Q000009:adverse effects / Q000032:analysis; D000397:Air Pollution / Q000009:adverse effects / Q000331:legislation & jurisprudence / Q000517:prevention & control; D006801:Humans; D014481:United States; D014484:United States Environmental Protection Agency / Q000331:legislation & jurisprudence
chemical_list: D000393:Air Pollutants