Optimizing the Ovarian Tissue Cryopreservation in the ‘Oncofertility’ Institutional Program at an Italian National Cancer Institute oleh Erica Silvestris, Carla Minoia, Giuseppe De Palma, Ondina Popescu, Anna Altavilla, Attilio Guarini, Fabio Pavone, Vera Loizzi, Gennaro Cormio, Raffaella Depalo