RT Journal Article SR Electronic T1 How to Assess Patients with Rheumatoid Arthritis and Concomitant Fibromyalgia? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 9 OP 11 DO 10.3899/jrheum.081100 VO 36 IS 1 A1 HEIDI MÄKINEN A1 PEKKA HANNONEN YR 2009 UL http://www.jrheum.org/content/36/1/9.abstract AB