Methods The method of DNA amplification with sequence-specific primers(PCR-SSP)was used to determine 17 alleles of HLA-DRB1*01,*04,*10 genotypes in 80 RA patients and 110 healthy controls from the Han nationality population in Neimenggu.

• 方法采用特异性引物聚合酶链反应(PCR-SSP)方法对内蒙古地区汉族人群80例RA患者及110名正常健康者的HLA-DRB1*01、*04、*10的17个等位基因进行检测。