RT Journal Article SR Electronic T1 The Role of Ultrasound in Psoriatic Arthritis - Do We Need a Score? JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 659 OP 659 DO 10.3899/jrheum.181044.C1 VO 46 IS 6 YR 2019 UL http://www.jrheum.org/content/46/6/659.abstract AB