title: The burden of proof in linking AIDS to scrapie.
mesh_terms: D005075:Biological Evolution; D006678:HIV / Q000145:classification / Q000235:genetics*; D018622:PrP 27-30 Protein; D014764:Viral Proteins / Q000235:genetics*
chemical_list: D014764:Viral Proteins; D018622:PrP 27-30 Protein