IS AXIAL SPONDYLOARTHRITIS IN IBD DIFFERENT TO AXIAL SPONDYLOARTHRITIS WITHOUT IBD? - Selvarajah,U; Blanco,JM; Radhakrishnan,S; Powles,S; McDonald,J; Pechlivanis,A; Marchesi,J; Williams,H; Keat,A; Machado,P; Orchard,T (BMJ PUBLISHING GROUP, 2019)