ABSTRACT BACKGROUND Rheumatoid arthritis (RA) is a chronic systemic inflammatory disorder with a 0.5% -2% prevalence in the general population. 50% of patients with chronic RA exhibit pulmonary involvement. Patients with RA should be screened for lung involvement through the use of chest x-ray and spirometry.
MATERIALS AND METHODSThe present study comprised of patients with RA who attended Rheumatology clinic in the
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