Rahim, A. I.; Al-Kawaz, U. M.; Abdulla, T. H. Although Late; But the First, an Iraqi Success in Human Em-Bryo Cryopreservation Using Vitrification and the Factors Af-Fecting the Pregnancy Rate: Cross-Sectional Study. IJEIR 2018, 8 (1), 10-21. https://doi.org/nan.