title: Circularity and cross-linking in preparations of replicative form of encephalomyocarditis virus RNA.
mesh_terms: D001665:Binding Sites; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004686:Encephalomyocarditis virus / Q000032:analysis*; D004996:Ethidium / Q000494:pharmacology; D006358:Hot Temperature; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D012367:RNA, Viral / Q000032:analysis*; D012260:Ribonucleases; D014316:Tritium; D014779:Virus Replication
chemical_list: D002247:Carbon Isotopes; D012367:RNA, Viral; D014316:Tritium; D012260:Ribonucleases; D004996:Ethidium