TY JOUR TI Sperm DNA fragmentation in mammals: etiology, detection, fertility assessment under radiation exposure KW spermatozoa KW DNA fragmentation KW detection methods KW SCD test KW tundra voles KW ionising radiation JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Starobor, N.N. AU Raskosha, O.V. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"