Effect of sheep placenta extract on D-galactose-induced aging mouse - He, Shan; Wu, Yue; Lu, Kaixian; Zhu, Heng; Wang, Xuan; Qin, Yaoyao; Li, Huan; Zeng, Lin; Han, Jiaojiao; Zhou, Xiangyang; Zhang, Bin; Tang, Bo (Frontiers in Pharmacology, 2025)