Xiaoyaosan modulates gut-brain metabolic pathways and brain microstructure in depression: a multi-omics insight. - Hao, Wen-zhi; Sun, Yan-ru; Zhang, Ying-ren; Wang, Rong-yan-qi; Ning, Wen; Wang, Lu; Liu, Dong-dong; Li, Yong-xin; Huang, Jun-qing; Chen, Jia-xu (Chinese Medicine, 2025)