Nishisaka, K., Okano, T., Imai, T., Tsubosaka, M., Kamenaga, T., Nakano, N., Hayashi, S., Yamamoto, W., Onishi, A., Murakami, K., Tsujimoto, K., Katsushima, M., Yoshikawa, A., Kotani, T., Amuro, H., Son, Y., Itami, T., Nozaki, Y., Nose, Y., Yamashita, M., Shirasugi, I., Yamada, H., Nishimura, K., Ueda, Y., Sendo, S., Hashimoto, M., Kuroda, R., Saegusa, J. (2026). 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. PLoS ONE. https://doi.org/10.1371/journal.pone.0344747