however , the data did not support previous studies where patients with sicca syndrome had a high incidence of anti-ss-a and/or -ss-b antibodies but had a low frequency of rap , and patients with sjogren 's syndrome in association with rheumatoid arthritis had a high incidence of rap but a low incidence of anti-ss-a and/or -ss-b .
C1527336
sjogren 's
C0003873
rap