RT Journal Article SR Electronic T1 Textbook of Pediatric Rheumatology, 6th Edition JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2285 OP 2285 DO 10.3899/jrheum.110630 VO 38 IS 10 A1 THOMAS LEHMAN YR 2011 UL http://www.jrheum.org/content/38/10/2285.abstract AB