作者用酶抗体法测定慢性风湿性关节炎(RA)患者血清中的不同型类风湿因子(RF),尤其是IgE RF,并对其临床意义进行研究。采取健康人和急性风湿性关节炎(MRA)为起因的RA与SLE患者的血清,用ELISA测定不同型RF,并研究其和临床症状及治疗的关系。作者检查了健康人及RA患者各130例SLE20例 The authors used enzyme-linked immunosorbent assay to determine the different types of rheumatoid factor (RF), especially IgE RF, in sera of patients with chronic rheumatoid arthritis (RA) and to investigate its clinical significance. Serum from RA and SLE patients, both healthy subjects and patients with acute rheumatoid arthritis (MRA), were measured for different types of RF using ELISA and to investigate their relationship to clinical symptoms and treatment. The authors examined each of 130 SLE20 patients in healthy and RA patients