ANDREEVA, Madlena; ALEXANDROVA, Albena; TSVETANOVA, Elina; METODIEV, Nikola; STEFANOV, Rossen. EFFECT OF THE BREED ON THE ACTIVITY OF THE ANTIOXIDANT ENZYMES – SOD AND CAT IN RAM SPERM, BEFORE AND AFTER CRYOPRESERVATION. TRADITION AND MODERNITY IN VETERINARY MEDICINE, [S. l.], v. 6, n. 2, p. 28–33, 2021. DOI: 10.5281/zenodo.5734021. Disponível em: https://scij-tmvm.com/index.php/pub/article/view/170. Acesso em: 15 nov. 2026.