An Objective Comparison of Vedolizumab and Ustekinumab Effectiveness in Crohn's Disease Patients' Failure to TNF-Alpha Inhibitors

Onali, S; Pugliese, D; Caprioli, Fa; Orlando, A; Biancone, L; Nardone, Om; Imperatore, N; Fiorino, G; Cappello, M; Viola, A; Principi, Mb; Bezzio, C; Aratari, A; Carparelli, S; Mazzuoli, S; Manguso, F; Grossi, L; Bodini, G; Ribaldone, D; Mocci, G; Miranda, A; Minerba, L; Favale, A; Grova, M; Scucchi, L; Segato, S; Fries, W; Castiglione, F; Armuzzi, A; Fantini, Mc