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Fujimoto, Akihisa, Toshihiro Fujiwara, Hajime Oishi, Tetsuya Hirata, Tetsu Yano, ja Yuji Taketani. "Predictive Factors of Successful Pregnancy After Assisted Reproductive Technology in Women Aged 40 Years and Older." Reprod Med Biol 2009.

Fujimoto, Akihisa, et al. "Predictive Factors of Successful Pregnancy After Assisted Reproductive Technology in Women Aged 40 Years and Older." Reprod Med Biol 2009.