Melatonin alleviates mitochondrial damage by regulating SIRT3-mediated mitochondrial dynamics in granulosa cells under PCOS-like conditions. - Xie, Congcong; Liu, Zehao; Chen, Tong; Lu, Hui; Zhang, Xiujia; Yu, Wenbo; Zhang, Jiaxin; Shang, Dandan; Wang, Xueying (Molecular Medicine Reports, 2026)