RT Journal Article SR Electronic T1 Overlap Syndromes: Exploring the Genetic Underpinnings JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1856 OP 1857 DO 10.3899/jrheum.090733 VO 36 IS 9 A1 ARTHUR A.M. BOOKMAN YR 2009 UL http://www.jrheum.org/content/36/9/1856.abstract AB