title: Mad cow in Canada.
authors.forename: Mary
authors.initials: M
authors.lastname: Quirk
mesh_terms: D000818:Animals; D002170:Canada / Q000453:epidemiology; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000175:diagnosis / Q000453:epidemiology*; D004812:Epidemiologic Methods / Q000662:veterinary; D008297:Male