title: BSE and scrapie: agents for change.
mesh_terms: D000818:Animals; D001927:Brain Diseases / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission*; D006801:Humans; D012109:Research Support as Topic; D012608:Scrapie / Q000635:transmission*; D012756:Sheep; D006113:United Kingdom; D015047:Zoonoses