OC.12.1 REAL-LIFE EFFECTIVENESS OF USTEKINUMAB IN INFLAMMATORY BOWEL DISEASE PATIENTS WITH CONCOMITANT PSORIASIS OR PSORIATIC ARTHRITIS: AN IG-IBD STUDY. (25th March 2019) - Pugliese, D.; Daperno, M.; Fiorino, G.; Savarino, E.; Mosso, E.; Biancone, L.; Testa, A.; Sarpi, L.; Cappello, M.; Bodini, G.; Caprioli, F.; Festa, S.; et al.