PT - JOURNAL ARTICLE ED - , TI - Novel Composite Radiographic Score for Longitudinal Observational Studies of Psoriatic Arthritis: A Proof-of-concept Study AID - 10.3899/jrheum.150114.C1 DP - 2017 Oct 01 TA - The Journal of Rheumatology PG - 1568--1568 VI - 44 IP - 10 4099 - http://www.jrheum.org/content/44/10/1568.short 4100 - http://www.jrheum.org/content/44/10/1568.full SO - J Rheumatol2017 Oct 01; 44