Lucena, Elkin, Diana Patricia Bernal, Carolina Lucena, Alejandro Rojas, Sandra Mojica, Ángela María Saa, Zulma Suárez, and Abby Morán. 2004. “First Pregnancy Achieved from Human Vitrified Oocytes”. Revista Colombiana De Obstetricia Y Ginecología 55 (3):240-44. https://doi.org/10.18597/rcog.595.