title: Early functional mutants of mammalian cells.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002460:Cell Line; D002478:Cells, Cultured; D002855:Chromatography, Thin Layer; D002999:Clone Cells; D004247:DNA / Q000032:analysis; D004261:DNA Replication; D000882:Haplorhini; D007668:Kidney; D009154:Mutation; D012313:RNA / Q000096:biosynthesis*; D013696:Temperature; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D012313:RNA; D004247:DNA; D013936:Thymidine; D014529:Uridine