1. Cell synchronization;Ashihara,1979
2. Appearance of DNA polymerase activities during early development of Xenopus laevis;Benbow;Develop. Biol,1975
3. Cytoplasmic control of nuclear DNA replication in Xenopus laevis;Benbow,1977
4. The units of DNA replication in Drosophila melanogaster chromosomes;Blumenthal,1974
5. Transplantation of living nuclei from blastula cells into enucleated frogs' eggs;Briggs,1952