PT - JOURNAL ARTICLE AU - Muhammad Haroon AU - Phil Gallagher AU - Oliver FitzGerald TI - Inflammatory back pain criteria perform well in subset of patients with active axial psoriatic arthritis but not among patients with established axial disease AID - 10.1136/annrheumdis-2018-214583 DP - 2019 Jul 01 TA - Annals of the Rheumatic Diseases PG - 1003--1004 VI - 78 IP - 7 4099 - http://ard.bmj.com/content/78/7/1003.short 4100 - http://ard.bmj.com/content/78/7/1003.full SO - Ann Rheum Dis2019 Jul 01; 78