PC.01.2 DISEASE CLEARANCE AS A NEW THERAPEUTIC TARGET IN PATIENTS WITH ULCERATIVE COLITIS: A MULTICENTER RETROSPECTIVE COHORT STUDY. (September 2021) - D'Amico, F.; Fiorino, G.; Massarini, E.; Solitano, V.; Guillo, L.; Allocca, M.; Furfaro, F.; Zilli, A.; Bonovas, S.; Peyrin-Biroulet, L.; Danese, S.