RT Journal Article SR Electronic T1 Dr. Petri, et al reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1621 OP 1621 DO 10.3899/jrheum.130468 VO 40 IS 9 A1 MICHELLE PETRI A1 GARY L. NORMAN A1 WALTER BINDER A1 ZAKERA SHUMS A1 EHTISHAM AKHTER A1 HONG FANG YR 2013 UL http://www.jrheum.org/content/40/9/1621.2.abstract AB