title: Genealogies of clones of diploid fibroblasts. Cinemicrophotographic observations of cell division patterns in relation to population age.
mesh_terms: D002455:Cell Division; D002460:Cell Line; D002999:Clone Cells; D004171:Diploidy; D005347:Fibroblasts; D005823:Genetics; D006801:Humans; D007700:Kinetics; D008168:Lung / Q000196:embryology; D010375:Pedigree; D010784:Photomicrography; D013997:Time Factors