Hybridization studies with the RNA of the WS strain of influenza virus and its neurotropic variant NWS.
D000818:Animals; D002642:Chick Embryo; D003433:Crosses, Genetic; D014644:Genetic Variation; D005827:Genetics, Microbial; D006824:Hybridization, Genetic; D051379:Mice; D009975:Orthomyxoviridae / Q000472:pathogenicity; D012367:RNA, Viral; D014316:Tritium; D014774:Virulence
D012367:RNA, Viral; D014316:Tritium