title: The identification of the circular forms of SV40 DNA in whole infected cell preparations.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D004270:DNA, Circular / Q000032:analysis / Q000302:isolation & purification; D004279:DNA, Viral / Q000032:analysis / Q000302:isolation & purification*; D003851:Deoxyribonucleases; D004591:Electrophoresis, Polyacrylamide Gel; D000882:Haplorhini; D006367:HeLa Cells; D007668:Kidney; D008722:Methods; D013539:Simian virus 40 / Q000032:analysis* / Q000254:growth & development; D013936:Thymidine; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004270:DNA, Circular; D004279:DNA, Viral; D014316:Tritium; D003851:Deoxyribonucleases; D013936:Thymidine