title: Recombinant avian oncoviruses. I. Alterations in the precursor to the internal structural proteins.
mesh_terms: D001354:Avian Leukosis Virus / Q000235:genetics* / Q000378:metabolism; D001358:Avian Sarcoma Viruses / Q000235:genetics* / Q000378:metabolism; D005814:Genes, Viral; D008970:Molecular Weight; D011119:Polynucleotides / Q000096:biosynthesis; D011498:Protein Precursors / Q000096:biosynthesis / Q000235:genetics*; D011995:Recombination, Genetic; D014764:Viral Proteins / Q000096:biosynthesis / Q000235:genetics*
chemical_list: D011119:Polynucleotides; D011498:Protein Precursors; D014764:Viral Proteins