antibodies of polyriboadenylic acid ( poly ra ) are demonstrated by filter radioimmunoassay in 75 % of patients with systemic lupus erythematosus ( sle ) , in 54 % of patients with discoid lupus erythematosus , and in only 0-7 % of normal controls and patients with rheumatoid arthritis or sjogren 's syndrome .
C0003873
rheumatoid arthritis
C1527336
sjogren 's syndrome