title: Double label estimation of the mean duration of the S-phase.
mesh_terms: D002250:Carbon Radioisotopes; D002455:Cell Division; D004247:DNA / Q000096:biosynthesis*; D008954:Models, Biological; D011336:Probability; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D004247:DNA; D013936:Thymidine