Multi-level characterization of Wutou decoction highlights its role in gut microbiota and intestinal barrier regulation in rheumatoid arthritis. - Yongxi Wu; Wentao Guo; Jianing Liu; Yongchun Wang; Yuhan Xie; Qiulu Zhao; Yuchen Wang; Di Yang; Hao Yue; Zifeng Pi; Zhe Lin (Comput. Biol. Chem., 2026)