Mode of action-specific and cause-specific retention of biologic and targeted synthetic disease-modifying antirheumatic drugs in anti-SS-A antibody-positive rheumatoid arthritis: The ANSWER cohort study - Kazuma Nishisaka; Takaichi Okano; Takumi Imai; Masanori Tsubosaka; Tomoyuki Kamenaga; Naoki Nakano; Shinya Hayashi; Wataru Yamamoto; Akira Onishi; Kosaku Murakami; Kohei Tsujimoto; Masao Katsushima; et al. (PLoS ONE, 2026)