title: Trying to keep "mad cow disease" out of U.S. herds.
authors.forename: L
authors.initials: L
authors.lastname: Bren
mesh_terms: D000818:Animals; D002417:Cattle; D007562:Creutzfeldt-Jakob Syndrome / Q000517:prevention & control / Q000635:transmission; D016643:Encephalopathy, Bovine Spongiform / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D014481:United States