title: Bombshell in Beltsville: the USDA and the challenge of "Silent spring."
authors.forename: L J
authors.initials: LJ
authors.lastname: Lear
mesh_terms: D004463:Ecology; D049711:History, Modern 1601-; D007885:Legislation, Pharmacy / Q000266:history*; D010575:Pesticides / Q000266:history*; D011634:Public Health / Q000266:history*; D013222:State Medicine / Q000266:history*; D014481:United States
chemical_list: D010575:Pesticides