Kyono K, Nakajo Y, Doshida M, Toya M, Araki Y: Birth of a healthy male infant after transfer of vitrified-warmed blastocysts derived from intracytoplasmic sperm injection with vitrified-warmed oocytes and frozen-thawed spermatozoa. J Assist Reprod Genet. (2009) 26:451-453

Kyono K, Nakajo Y, Nishinaka C, Araki Y, Doshida M, Toya M, Kanto S: A birth of twins-one boy and one girl-from a single embryo transfer and a possible natural pregnancy. J Assist Reprod Genet (2009) 26:553-554

Kumasako Y, Otsu E, Utsunomiya T, Araki Y: The efficacy of the transfer of twice frozen-thawed embryos with the vitrification method. Fertil Steril vol.91, (2009) No.2:383-386