title: Relationships between cell cycle duration, S-period and nuclear DNA content in erythroblasts of four vertebrate species.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002455:Cell Division; D002467:Cell Nucleus / Q000378:metabolism; D002645:Chickens; D003584:Cytological Techniques; D004247:DNA / Q000096:biosynthesis / Q000378:metabolism*; D004171:Diploidy; D004912:Erythrocytes / Q000378:metabolism* / Q000648:ultrastructure; D005470:Fluorometry; D007267:Injections; D008116:Lizards; D008938:Mitosis; D011893:Rana esculenta; D013045:Species Specificity; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium; D014319:Triturus
chemical_list: D002250:Carbon Radioisotopes; D014316:Tritium; D004247:DNA; D013936:Thymidine