Methods Anti-CCP Antibody was defected by quantitative ELISA and rheumatoid factor by BNP nephelometer in 45 cases of RA and 63 cases of non-RA rheumatic diseases.

• 方法分别用ELISA法、速率散射比浊法检测45例RA患者和63例非RA的风湿病患者血抗CCP抗体和RF。