Omes, C., Icaro Cornaglia, A., Riva, F., Savio, M., Mazzini, G., Marchetti, A., Sanarica, C., Tinelli, C., Farina, A., Calligaro, M., Nappi, R. and Casasco, A. 2015. Ultrastructural features of human sperm cells cryopreserved by different methods. Italian Journal of Anatomy and Embryology. 120, 1 (Sep. 2015), 39.