title: Families of replicating units in cultured hamster fibroblasts.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002455:Cell Division; D002460:Cell Line; D003078:Colchicine; D006224:Cricetinae; D003584:Cytological Techniques; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D004171:Diploidy; D005347:Fibroblasts / Q000378:metabolism*; D005470:Fluorometry; D007553:Isotope Labeling; D007700:Kinetics; D008168:Lung; D008938:Mitosis; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D014316:Tritium; D004247:DNA; D003078:Colchicine; D013936:Thymidine