title: Nature of the scrapie agent: current status of facts and hypotheses.
mesh_terms: D000682:Amyloid; D000818:Animals; D001921:Brain / Q000382:microbiology / Q000473:pathology; D001923:Brain Chemistry; D006224:Cricetinae; D005796:Genes; D005814:Genes, Viral; D051379:Mice; D008815:Mice, Inbred Strains; D009154:Mutation; D011328:Prions / Q000032:analysis / Q000235:genetics / Q000502:physiology* / Q000648:ultrastructure; D012608:Scrapie / Q000235:genetics / Q000382:microbiology* / Q000473:pathology; D012756:Sheep; D014764:Viral Proteins / Q000032:analysis / Q000502:physiology*; D014772:Viroids
chemical_list: D000682:Amyloid; D011328:Prions; D014764:Viral Proteins