PURPOSE of REVIEW: Rheumatoid arthritis (RA) is a systemic, autoimmune disease resulting in the destruction of affected joints.
综述目的：类风湿性关节炎(RA)是一个系统的，自身免疫疾病，引起受侵袭的关节的破坏。
PURPOSE of REVIEW: Rheumatoid arthritis (RA) is a systemic, autoimmune disease resulting in the destruction of affected joints.
综述目的：类风湿性关节炎(RA)是一个系统的，自身免疫疾病，引起受侵袭的关节的破坏。
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