RT Journal Article SR Electronic T1 Clinical Practice Guidelines and Diagnostic Uncertainty in the Management of Early Rheumatoid Arthritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 863 OP 864 DO 10.3899/jrheum.090287 VO 36 IS 5 A1 AIMEE HERSH A1 JINOOS YAZDANY YR 2009 UL http://www.jrheum.org/content/36/5/863.abstract AB