RT Journal Article SR Electronic T1 Radiographic Progression in Rheumatoid Arthritis: Does It Still Happen and Does It Matter? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2337 OP 2339 DO 10.3899/jrheum.141133 VO 41 IS 12 A1 VIVIAN P. BYKERK YR 2014 UL http://www.jrheum.org/content/41/12/2337.abstract AB