Research on indicating human embryo developmental potential by morphology of oocyte at metaphase Ⅱ （MⅡ）of the first polar body and pronucleus
YE Ya-ping, YUAN Hua, ZHAI Dan-mei, et al
上海交通大学学报（医学版） . 2014, (3): 302 .  DOI: 10.3969/j.issn.1674-8115.2014.03.009