Efficacy and safety analysis of tofacitinib and yisaipu combined with methotrexate in the treatment of refractory rheumatoid arthritis

LUO Huan, ZHANG Xia, FENG Yarao, ZHAO Yue, REN Zhanfen, YANG Jinliang, ZHENG Xuejun

Tianjin Medical Journal . 2022, (8): 883 -887 . DOI: 10.11958/20212650