Gaydarova L, Hristova E, Todorov P. Vitrification of male gametes — our experience. Probl Cryobiol Cryomed [Internet]. 2025Dec.30 [cited 2026Apr.11];35(4):233. Available from: http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/2121