title: A new approach to the isolation of RNA-DNA hybrids and its application to the quantitative determination of labeled tumor virus RNA.
mesh_terms: D000818:Animals; D001354:Avian Leukosis Virus / Q000032:analysis*; D001358:Avian Sarcoma Viruses; D002478:Cells, Cultured; D002499:Centrifugation, Density Gradient; D002645:Chickens; D002850:Chromatography, Gel; D003597:Cytosine Nucleotides; D004247:DNA / Q000302:isolation & purification*; D003911:Dextrans; D004720:Endonucleases; D000882:Haplorhini; D007292:Inosine Nucleotides; D008722:Methods; D009693:Nucleic Acid Hybridization; D010761:Phosphorus Radioisotopes; D011119:Polynucleotides; D012313:RNA / Q000302:isolation & purification*; D012367:RNA, Viral / Q000302:isolation & purification*; D012260:Ribonucleases; D014316:Tritium; D014529:Uridine
chemical_list: D003597:Cytosine Nucleotides; D003911:Dextrans; D007292:Inosine Nucleotides; D010761:Phosphorus Radioisotopes; D011119:Polynucleotides; D012367:RNA, Viral; D014316:Tritium; D012313:RNA; D004247:DNA; D004720:Endonucleases; D012260:Ribonucleases; D014529:Uridine