title: Studies on cell proliferation of liver epithelia in 3-week-old rats.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002247:Carbon Isotopes; D004847:Epithelial Cells; D004848:Epithelium; D008099:Liver / Q000166:cytology* / Q000254:growth & development; D008938:Mitosis; D009929:Organ Size; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D014316:Tritium; D013936:Thymidine