RT Journal Article SR Electronic T1 Transitions JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1 OP 2 DO 10.3899/jrheum.121065 VO 40 IS 1 A1 ARTHUR A.M. BOOKMAN YR 2013 UL http://www.jrheum.org/content/40/1/1.abstract AB