title: RNA tumor virus specific sequences in nuclear DNA of several avian species.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000032:analysis*; D001358:Avian Sarcoma Viruses / Q000032:analysis*; D001483:Base Sequence; D001717:Birds; D002460:Cell Line; D002467:Cell Nucleus / Q000032:analysis*; D002471:Cell Transformation, Neoplastic; D002474:Cell-Free System; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D010856:Columbidae; D046508:Culture Techniques; D004247:DNA / Q000032:analysis*; D004273:DNA, Neoplasm / Q000032:analysis*; D004279:DNA, Viral / Q000096:biosynthesis; D004372:Ducks; D005347:Fibroblasts; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009693:Nucleic Acid Hybridization; D009711:Nucleotides / Q000032:analysis*; D011784:Quail; D013045:Species Specificity
chemical_list: D004273:DNA, Neoplasm; D004279:DNA, Viral; D009711:Nucleotides; D004247:DNA