title: The temporal order of replication of some DNA cistrons.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D001973:Bromodeoxyuridine / Q000378:metabolism; D002455:Cell Division / Q000187:drug effects; D002460:Cell Line; D002467:Cell Nucleus; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D004279:DNA, Viral / Q000096:biosynthesis; D005796:Genes; D007668:Kidney; D008727:Methotrexate / Q000494:pharmacology; D051379:Mice; D009876:Operon; D011120:Polyomavirus; D012270:Ribosomes; D013539:Simian virus 40; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D004279:DNA, Viral; D014316:Tritium; D004247:DNA; D001973:Bromodeoxyuridine; D013936:Thymidine; D008727:Methotrexate