RT Journal Article SR Electronic T1 Differentiation of the Clinical Features of Psoriatic Arthritis and Fibromyalgia JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2221 OP 2221 DO 10.3899/jrheum.120798 VO 39 IS 11 A1 TAKAHIKO KONNO YR 2012 UL http://www.jrheum.org/content/39/11/2221.2.abstract AB