Hapon, Hanna, and Olena Pavlovich. “Cryopreservation of Human Oligoasthenoteratozoospermic Spermatozoa With Polyvinylpyrrolidone”. Problems of Cryobiology and Cryomedicine 30, no. 3 (September 23, 2020): 296. Accessed November 22, 2024. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1675.