C. Kozai

Effect of aging of recipient oocytes on the development of bovine nuclear transfer embryos in vitro.

K. Koyama, Y. Tsunoda, Y. Kato, 1993, Theriogenology.

Cloning of bovine embryos by multiple nuclear transfer.

Y. Tsunoda, Y. Kato, H. Takano, 1997, Theriogenology.

Effects of Cell Cycle Stage of Donor Nuclei on the Development of Bovine Nuclear Transferred Embryos

K. Koyama, Y. Tsunoda, Y. Kato, 1996 .

Production of Offspring by Nuclear Transferred Bovine Embryos Produced In Vitro.

K. Koyama, Y. Tsunoda, Y. Kato, 1994 .