Lack of a strong association of CTLA‐4 exon 1 polymorphism with the susceptibility to rheumatoid arthritis and systemic lupus erythematosus in Japanese: an association study using a novel variation screening method

Abstract
CTLA‐4 is considered to be one of the attractive candidates for the susceptibility genes to rheumatic diseases. In the present study, the association of CTLA‐4 polymorphism with rheumatoid arthritis ...