patients with rheumatoid arthritis ( ra ) , sjogrens syndrome ( ss ) and undifferentiated connective tissue disease ( uctd ) had low levels of anti-p67 with a prevalence 11.6 % and 18 % , respectively , whilst patients with systemic lupus erythematosus ( sle ) and mixed connective tissue disease ( mctd ) had high levels and prevalence rates of 55.2 % and 80 % , respectively .
C0003873
rheumatoid arthritis
C1527336
sjogrens syndrome