RT Journal Article SR Electronic T1 Updating the Psoriatic Arthritis (PsA) Core Domain Set: A Report from the PsA Workshop at OMERACT 2016 JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 543 OP 543 DO 10.3899/jrheum.160904.C1 VO 44 IS 4 YR 2017 UL http://www.jrheum.org/content/44/4/543.abstract AB