title: Proliferative behavior of periodontal ligament cell populations.
mesh_terms: D002453:Cell Cycle; D002454:Cell Differentiation; D002455:Cell Division; D006801:Humans; D008954:Models, Biological; D010513:Periodontal Ligament / Q000166:cytology*; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine