title: SV40 DNA strand selection by Escherichia coli RNA polymerase.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004279:DNA, Viral; D004926:Escherichia coli; D005815:Genetic Code; D012316:RNA Nucleotidyltransferases; D013539:Simian virus 40; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004279:DNA, Viral; D014316:Tritium; D012316:RNA Nucleotidyltransferases