On the duplication of ribosomal RNA cistrons in Chinese hamster cells.
D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D006224:Cricetinae; D046508:Culture Techniques; D004247:DNA; D004261:DNA Replication; D005374:Filtration; D005796:Genes; D006358:Hot Temperature; D007668:Kidney; D009691:Nucleic Acid Denaturation; D012313:RNA / Q000096:biosynthesis*; D012270:Ribosomes; D013997:Time Factors; D014316:Tritium; D014529:Uridine / Q000378:metabolism
D014316:Tritium; D012313:RNA; D004247:DNA; D014529:Uridine