title: A new species of poliovirus top component.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D003609:Dactinomycin / Q000494:pharmacology; D004591:Electrophoresis, Polyacrylamide Gel; D008854:Microscopy, Electron; D010455:Peptides / Q000032:analysis; D010759:Phosphorus Isotopes; D017955:Poliovirus; D013395:Sucrose; D014316:Tritium; D014764:Viral Proteins / Q000302:isolation & purification*; D014776:Virus Cultivation
chemical_list: D002247:Carbon Isotopes; D010455:Peptides; D010759:Phosphorus Isotopes; D014764:Viral Proteins; D014316:Tritium; D003609:Dactinomycin; D013395:Sucrose