RT Journal Article SR Electronic T1 Dr. Roll, et al reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 203 OP 203 DO 10.3899/jrheum.121365 VO 40 IS 2 A1 PETRA ROLL A1 THOMAS DÖRNER A1 HANS TONY YR 2013 UL http://www.jrheum.org/content/40/2/203.2.abstract AB