Tofacitinib Regulates β‐Catenin Nuclear Translocation to Inhibit FLS Migration and Alleviate Clinical Symptoms of RA - Shuqi Fang; Tianjing Zhang; Ling Hu; Ruijin Liu; Leyi Jia; Menglin Bai; Jiale Dong; Yuchen Zhao; Han Wang; Lei Zhang; Tao Li; Youcai Deng; et al. (iNew Medicine, 2026)