Cryoprotective effects of mangiferin-loaded chitosan nanoparticles on buffalo sperm: Antioxidant, apoptotic, and motility insights. - El-Raghi AA; Elmorsy EM; Alyamani SA; Hifni BA; Al-Ghafari AB; Al Doghaither HA; Essawi WM; Elzeer AA (Cryobiology, 2026)