title: Estimation of the proportion of cell nuclei in tissue sections falling within tritium-autoradiographic range.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002467:Cell Nucleus; D002642:Chick Embryo; D005069:Evaluation Studies as Topic; D007553:Isotope Labeling; D007620:Karyometry; D007908:Lens, Crystalline / Q000166:cytology; D008433:Mathematics; D008954:Models, Biological; D013936:Thymidine; D014316:Tritium
chemical_list: D014316:Tritium; D013936:Thymidine