title: Viral sequences required for neurovirulence of poliovirus.
mesh_terms: D000818:Animals; D001483:Base Sequence; D006801:Humans; D051379:Mice; D009154:Mutation; D011051:Poliomyelitis / Q000209:etiology; D017955:Poliovirus / Q000235:genetics* / Q000472:pathogenicity; D011055:Poliovirus Vaccine, Oral; D012367:RNA, Viral / Q000235:genetics*
chemical_list: D011055:Poliovirus Vaccine, Oral; D012367:RNA, Viral