GUO Gang Department of Rheuma-tism and Immunity; Hebei Yiling Hospital; Hebei; Shijiazhuang 050091; China;
河北以岭医院风湿免疫科;
（等于rheum）GUO Gang Department of Rheuma-tism and Immunity; Hebei Yiling Hospital; Hebei; Shijiazhuang 050091; China;
河北以岭医院风湿免疫科;
Objective To study the efficacy and safety of leflunomide (LEF) in the treatment of active rheuma-toid arthritis (RA) compared to methotrexate (MTX).
摘要目的研究来氟米特治疗活动期类风湿关节炎的临
疗效和安全性。
声明：以上例句、词性
类均由互联网资源自动生成，部未经过人工审核，其表达内容
表本软件的观点；若发现问题，欢迎向我们指正。
