Hapon H, Pavlovich O. Cryopreservation of Human Oligoasthenoteratozoospermic Spermatozoa With Polyvinylpyrrolidone. Probl Cryobiol Cryomed [Internet]. 2020Sep.23 [cited 2024Apr.26];30(3):296. Available from: http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1675