Close relation of rheumatoid arthritis (RA) and HLA antigen DR4 has been reported with incidence as high"as 50-75% (3)
In this study 34 patients in different stages of RA and treated with different drugs were studied for HLA DR4 antigen. 100 healthy individuals working in the lab. were tested as controls. DR4 were noted in patients with 3/25 risk, RR=3.25 (1'<0.01) These findings will increase knowledge on RA pathophysiology.
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