the responses of synovial lymphocytes to chlamydia/ureaplasma and to enteric antigens were studied in 31 patients with arthritis confined to knee joints , 15 patients with sexually-transmitted reiter 's syndrome , 9 with enteric reiter 's syndrome , and 24 with rheumatoid arthritis .
C0003864
arthritis
C0003873
rheumatoid arthritis