Ursolic acid methyl ester mitigates aluminum oxide nanoparticle-induced hematobiochemical, immune, and oxidative disturbances and modulates apoptosis-related gene expression in Oreochromis niloticus. - Mansour AT; El-Houseiny W; AlSaqufi AS; Alkhamis Y; Al-Sagheer AA; Mohamed EMM (Veterinary research communications, 2026)