RT Journal Article SR Electronic T1 Pulmonary Abnormalities in Patients with Early and Longstanding Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 444 OP 444 DO 10.3899/jrheum.080882 VO 36 IS 2 A1 ATHANASIOS N. GEORGIADIS A1 ZAFIRIA M. METAFRATZI A1 ALEXANDROS A. DROSOS YR 2009 UL http://www.jrheum.org/content/36/2/444.abstract AB