title: Showdown over clean air science.
authors.forename: J
authors.initials: J
authors.lastname: Kaiser
mesh_terms: D000388:Air / Q000592:standards*; D000397:Air Pollution / Q000009:adverse effects*; D000818:Animals; D002244:Carbon / Q000009:adverse effects*; D003625:Data Collection; D006331:Heart Diseases / Q000209:etiology / Q000401:mortality; D006801:Humans; D009026:Mortality; D010067:Ownership; D010316:Particle Size; D012140:Respiratory Tract Diseases / Q000209:etiology / Q000401:mortality; D014481:United States; D014484:United States Environmental Protection Agency
chemical_list: D002244:Carbon