OC.09.5 LONG-TERM EFFECTIVENESS OF USTEKINUMAB IN PATIENTS WITH REFRACTORY CROHN'S DISEASE: A MULTICENTER REALLIFE STUDY. (September 2021) - Scribano, M.L.; Aratari, A.; Neri, B.; Bezzio, C.; Balestrieri, P.; Falasco, G.; Camastra, C.; Pantanella, P.; Monterubbianesi, R.; Tullio, A.; Saibeni, S.; Papi, C.; et al.