Effects of plant active substances in rheumatoid arthritis—a systematic review and network meta-analysis - Peng, Qiuwei; Wang, Jian; Li, Kesong; Xia, Congming; Yao, Chuanhui; Guo, Qiuyan; Gong, Xun; Tang, Xiaopo; Jiang, Quan (Frontiers in Pharmacology, 2025)