title: A comparison of the high molecular weight RNAs of visna virus and Rous sarcoma virus.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000032:analysis*; D001483:Base Sequence; D002499:Centrifugation, Density Gradient; D002852:Chromatography, Ion Exchange; D004591:Electrophoresis, Polyacrylamide Gel; D008970:Molecular Weight; D010761:Phosphorus Radioisotopes; D017955:Poliovirus / Q000032:analysis; D012328:RNA Viruses / Q000032:analysis*; D012367:RNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology*; D014316:Tritium; D014529:Uridine; D014790:Visna-maedi virus / Q000032:analysis
chemical_list: D010761:Phosphorus Radioisotopes; D012367:RNA, Viral; D014316:Tritium; D014529:Uridine