title: Proliferative capacity and DNA content of aging human diploid cells in culture: a cytophotometric and autoradiographic analysis.
mesh_terms: D001345:Autoradiography; D002455:Cell Division; D002478:Cells, Cultured; D003584:Cytological Techniques; D004247:DNA / Q000378:metabolism*; D004171:Diploidy; D006801:Humans; D008168:Lung; D010783:Photometry; D011123:Polyploidy; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine