title: Is it safe? New beef rules aim to stop mad cow disease. But they may not be enough--and there's too much we don't know.
authors.forename: Susan
authors.initials: S
authors.lastname: Brink
authors.forename: Nancy
authors.initials: N
authors.lastname: Shute
mesh_terms: D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology / Q000517:prevention & control*; D017408:Guidelines as Topic; D006801:Humans; D017751:Safety Management / Q000458:organization & administration; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology