the prognosis 3 years after the onset of the disease was studied in 107 patients with definite rheumatoid arthritis , 161 with probable ra or non-specific arthritis , 84 with either ankylosing spondylitis , reiter 's disease or reactive arthritis , 14 with psoriatic arthritis and 10 with a systemic connective tissue disease .
C0003864
arthritis
C0003872
psoriatic arthritis