title: Size differences in the ribonucleic acids of feline leukaemia viruses.
mesh_terms: D000818:Animals; D002415:Cats; D002460:Cell Line; D002478:Cells, Cultured; D006224:Cricetinae; D004591:Electrophoresis, Polyacrylamide Gel; D004622:Embryo, Mammalian; D004686:Encephalomyocarditis virus / Q000254:growth & development; D007668:Kidney; D005256:Leukemia Virus, Feline / Q000032:analysis* / Q000302:isolation & purification; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D010761:Phosphorus Radioisotopes; D012335:RNA, Ribosomal / Q000032:analysis; D012367:RNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D014316:Tritium
chemical_list: D010761:Phosphorus Radioisotopes; D012335:RNA, Ribosomal; D012367:RNA, Viral; D014316:Tritium