title: Nucleic acids of RNA tumor viruses: identification and ultrastructure.
mesh_terms: D001354:Avian Leukosis Virus / Q000032:analysis* / Q000187:drug effects; D001358:Avian Sarcoma Viruses / Q000032:analysis* / Q000187:drug effects; D004279:DNA, Viral / Q000032:analysis*; D003851:Deoxyribonucleases / Q000494:pharmacology; D005559:Formamides / Q000494:pharmacology; D008854:Microscopy, Electron; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D012367:RNA, Viral / Q000032:analysis*; D012260:Ribonucleases / Q000494:pharmacology; D014508:Urea / Q000494:pharmacology
chemical_list: D004279:DNA, Viral; D005559:Formamides; D012367:RNA, Viral; D014508:Urea; D003851:Deoxyribonucleases; D012260:Ribonucleases