Studies on the nature of replicating DNA of HeLa cells.
D000468:Alkalies; D002467:Cell Nucleus; D002499:Centrifugation, Density Gradient; D046508:Culture Techniques; D004261:DNA Replication / Q000187:drug effects; D003864:Depression, Chemical; D006367:HeLa Cells / Q000378:metabolism*; D006801:Humans; D006918:Hydroxyurea / Q000494:pharmacology; D013696:Temperature; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014732:Vibration
D000468:Alkalies; D014316:Tritium; D013936:Thymidine; D006918:Hydroxyurea