RT Journal Article SR Electronic T1 The Effect of the Presence of Fibromyalgia on Common Clinical Disease Activity Indices in Patients with Psoriatic Arthritis: A Cross-sectional Study JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 119 OP 119 DO 10.3899/jrheum.151491.C1 VO 46 IS 1 YR 2019 UL http://www.jrheum.org/content/46/1/119.2.abstract AB