title: Are non-dividing cells present in ageing cell cultures?
mesh_terms: D000818:Animals; D002455:Cell Division; D002460:Cell Line; D002470:Cell Survival; D002478:Cells, Cultured; D002642:Chick Embryo; D004247:DNA / Q000096:biosynthesis; D005347:Fibroblasts; D006801:Humans; D007700:Kinetics; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine