Kunxinning granules alleviate perimenopausal syndrome by supplementing estrogen deficiency - Wang, Wenshuang; Yang, Wen; Wang, Fangwenting; Gao, He; Liu, Kaixin; Zhang, Jinling; Li, Yunjuan; Zhang, Man; Zhou, Guirong; Hou, Yuanyuan; Bai, Gang (Frontiers in Pharmacology, 2025)