![Cryopreservation of human oocytes, zygotes, embryos and blastocysts: A comparison study between slow freezing and ultra rapid (vitrification) methods]()
Cryopreservation of human oocytes, zygotes, embryos and blastocysts: A comparison study between slow freezing and ultra rapid (vitrification) methodsAl-Azawi, Tahani; Tavukcuoglu, Safak; Khaki, Amir Afshin; Al Hasani, Safaa · Middle East Fertility Society Journal · 2013