Objective To approach the value of anti-cyclic citrullinated peptide antibody(CCP),Anti-keratin antibody(AKA),anti-RA33 and rheumatoid factor(RF) in the diagnosis of rheumatoid arthritis(RA).

• 目的探讨环瓜氨酸多肽(CCP)抗体、抗角蛋白抗体(AKA)、类风湿因子(RF)和抗RA33抗体对类风湿性关节炎(RA)的临床应用价值。