RT Journal Article SR Electronic T1 Drs. Mathai and Hassoun reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 91 OP 91 DO 10.3899/jrheum.121146 VO 40 IS 1 A1 STEPHEN C. MATHAI A1 PAUL M. HASSOUN YR 2013 UL http://www.jrheum.org/content/40/1/91.1.abstract AB