RT Journal Article SR Electronic T1 Level of Anticitrullinated Peptide/Protein Antibody Is Not Associated with Lung Diseases in Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1493 OP 1494 DO 10.3899/jrheum.111478 VO 39 IS 7 A1 LA-HE JEARN A1 THINK-YOU KIM YR 2012 UL http://www.jrheum.org/content/39/7/1493.abstract AB