title: Viral polyproteins in chick embryo fibroblasts infected with avian sarcoma leukosis viruses.
mesh_terms: D001358:Avian Sarcoma Viruses / Q000201:enzymology; D002460:Cell Line; D006023:Glycoproteins / Q000096:biosynthesis; D008970:Molecular Weight; D011498:Protein Precursors / Q000032:analysis / Q000096:biosynthesis*; D011506:Proteins / Q000032:analysis; D012194:RNA-Directed DNA Polymerase / Q000096:biosynthesis; D014764:Viral Proteins / Q000032:analysis / Q000096:biosynthesis*
chemical_list: D006023:Glycoproteins; D011498:Protein Precursors; D011506:Proteins; D014764:Viral Proteins; D012194:RNA-Directed DNA Polymerase