8HONG SW,CHUNG HM,LIM JM,et al.Improved human oocytes development after vitrification:a comparison of thawing methods[J].Fertil Steril,1999,72(1):142-146.
9ISACHENKO E F,NAYUDU P L.Virtrification of mouse germinal vesicle oocytes:effect of treatment tempera ture and egg yolk on chromosomal normality and cumulus integrity[J].Hum Reprod,1999,14:400-408.
10FUJIHIRA T,NAGAI H,FUKUI Y.Relationship between equililbration times and the presence of cumulus cells,and effect of Taxol treatment for vitrification of in vitro matured porcine oocytes[J].Cryobiology,2005,51:339-343.
