title: Murine xenotropic type C viruses. II. Phenotypic mixing with mouse and rat ecotropic type C viruses.
mesh_terms: D000818:Animals; D002460:Cell Line; D006378:Helper Viruses; D007700:Kinetics; D051379:Mice; D010641:Phenotype; D051381:Rats; D012190:Retroviridae / Q000254:growth & development*; D014762:Viral Interference; D014779:Virus Replication