RT Journal Article SR Electronic T1 Rheumatoid Arthritis and Fibromyalgia JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1548 OP 1548 DO 10.3899/jrheum.090077 VO 36 IS 7 A1 DANIEL ROIG-VILASECA A1 CARMEN HOCES-OTERO YR 2009 UL http://www.jrheum.org/content/36/7/1548.1.abstract AB