title: A new replication-defective variant of the Bryan high-titer strain Rous sarcoma virus.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000378:metabolism; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D003673:Defective Viruses / Q000378:metabolism; D011784:Quail; D012367:RNA, Viral / Q000096:biosynthesis; D012194:RNA-Directed DNA Polymerase / Q000032:analysis; D014422:Turkeys; D014779:Virus Replication
chemical_list: D012367:RNA, Viral; D012194:RNA-Directed DNA Polymerase