title: Occurrence of phentypically mixed viruses in the Bryan high-titer strain of Rous sarcoma virus and RSV (RAV-1) stocks.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses; D002460:Cell Line; D002642:Chick Embryo; D046508:Culture Techniques; D005347:Fibroblasts; D005827:Genetics, Microbial; D007106:Immune Sera; D008722:Methods; D009500:Neutralization Tests; D010641:Phenotype; D012526:Satellite Viruses; D014764:Viral Proteins; D014776:Virus Cultivation; D014779:Virus Replication
chemical_list: D007106:Immune Sera; D014764:Viral Proteins