title: A symmetrical model for polyoma virus DNA replication.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004261:DNA Replication; D004279:DNA, Viral; D003851:Deoxyribonucleases; D008722:Methods; D008854:Microscopy, Electron; D008954:Models, Biological; D008967:Molecular Biology; D009492:Neurospora crassa / Q000201:enzymology; D010759:Phosphorus Isotopes; D011120:Polyomavirus; D013395:Sucrose; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014461:Ultracentrifugation
chemical_list: D002247:Carbon Isotopes; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium; D013395:Sucrose; D003851:Deoxyribonucleases; D013936:Thymidine