title: Intracellular structures containing vaccinia DNA: isolation and characterization.
mesh_terms: D002247:Carbon Isotopes; D002474:Cell-Free System; D002499:Centrifugation, Density Gradient; D003593:Cytoplasm; D004261:DNA Replication; D004279:DNA, Viral / Q000032:analysis* / Q000302:isolation & purification; D003851:Deoxyribonucleases / Q000378:metabolism; D006367:HeLa Cells; D008722:Methods; D013395:Sucrose; D013936:Thymidine; D014316:Tritium; D014616:Vaccinia virus / Q000032:analysis* / Q000254:growth & development / Q000302:isolation & purification / Q000472:pathogenicity
chemical_list: D002247:Carbon Isotopes; D004279:DNA, Viral; D014316:Tritium; D013395:Sucrose; D003851:Deoxyribonucleases; D013936:Thymidine