title: High specific infectivity avian RNA tumor viruses.
mesh_terms: D001355:Alpharetrovirus / Q000254:growth & development*; D000818:Animals; D001354:Avian Leukosis Virus / Q000254:growth & development; D001358:Avian Sarcoma Viruses / Q000254:growth & development; D002642:Chick Embryo; D005347:Fibroblasts; D006358:Hot Temperature; D066298:In Vitro Techniques; D013997:Time Factors; D010948:Viral Plaque Assay; D014776:Virus Cultivation; D014779:Virus Replication