RT Journal Article SR Electronic T1 Dr. Czihal replies JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1899 OP 1899 DO 10.3899/jrheum.120442 VO 39 IS 9 A1 MICHAEL CZIHAL YR 2012 UL http://www.jrheum.org/content/39/9/1899.abstract AB