Bianchi, Serena, Marta Maione, Caterina Lorenzo, Giulietta Micara, Antonella Linari, Daniela Tranquilli, Cesare Aragona, Guido Macchiarelli, and Stefania Nottola. 2011. “Morphological Aspects of Human Aged Oocytes: An in Vivo and in Vitro Ultrastructural Study”. Italian Journal of Anatomy and Embryology 116 (2):25. https://oajournals.fupress.net/index.php/ijae/article/view/4599.