title: Identification of an avian oncovirus polyprotein in uninfected chick cells.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000254:growth & development; D002478:Cells, Cultured; D002642:Chick Embryo / Q000166:cytology*; D000939:Epitopes; D006023:Glycoproteins / Q000276:immunology; D008970:Molecular Weight; D010455:Peptides / Q000032:analysis; D012194:RNA-Directed DNA Polymerase / Q000276:immunology; D014764:Viral Proteins / Q000032:analysis / Q000096:biosynthesis* / Q000276:immunology; D014771:Virion
chemical_list: D000939:Epitopes; D006023:Glycoproteins; D010455:Peptides; D014764:Viral Proteins; D012194:RNA-Directed DNA Polymerase