2Balaban B,Urman B,Sertac A,et al.Oocyte morphology does not affect fertilization rate, embryo quality and implantation rate after intracytoplasmic sperm injection[ J ]. Hum Reprod,1998,13:4331-4333.
3Loutradis D,Drakakis P,Kallianinis K,et al.Oocyte morphology correlates with embryo quality and pregnancy outcome following intracytoplasmic sperm injection [ J ]. Fertil Steril,1999,72:240-244.
4Kahraman S,Yakin K, Donmez E, et al. Relationship between granular cytoplasm of oocytes and pregnancy rate after intracytoplasmic sperm injection[ J ]. Hum Reprod, 2000,15: 2390-2393.
