RT Journal Article SR Electronic T1 Facebook Medicine JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 211 OP 211 DO 10.3899/jrheum.080750 VO 36 IS 1 A1 STEPHANIE M. LACSON A1 CHRYSTAL BRADLEY A1 DANIEL G. ARKFELD YR 2009 UL http://www.jrheum.org/content/36/1/211.abstract AB