title: Electron microscpic studies on replicating form of defective SV40 virus DNA.
mesh_terms: D000818:Animals; D002460:Cell Line / Q000382:microbiology; D002499:Centrifugation, Density Gradient; D004261:DNA Replication; D004279:DNA, Viral / Q000032:analysis* / Q000096:biosynthesis / Q000302:isolation & purification; D003673:Defective Viruses / Q000032:analysis / Q000254:growth & development / Q000378:metabolism; D000882:Haplorhini; D007668:Kidney; D008722:Methods; D008854:Microscopy, Electron; D013539:Simian virus 40 / Q000032:analysis*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014776:Virus Cultivation
chemical_list: D004279:DNA, Viral; D014316:Tritium; D013936:Thymidine