Correlations between steroids concentration in follicular fluid, pronuclear morphology and embryo qualities in in vitro fertilization.
Reproductive Medicine and Biology 2 (7) (2003) - 171-176p
Junichi Hasegawa, Shinji Iwasaki, Atsushi Yanaihara, Momoko Negishi, Ryuzo Tahara, Takasi Okai
