RT Journal Article SR Electronic T1 Dr. Butendieck, et al, reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 439 OP 440 DO 10.3899/jrheum.181086 VO 46 IS 4 A1 RONALD ROLF BUTENDIECK JR. A1 ANDY ABRIL A1 CHERISE CORTESE YR 2019 UL http://www.jrheum.org/content/46/4/439.2.abstract AB