RT Conference Proceedings T1 Effectiveness, safety and persistence of treatment with ustekinumab in a cohort of patients with moderate-to-severe refractory Crohn's Disease A1 Morales Bermudez, A. I. A1 Bravo Aranda, A. M. A1 Martinez Burgos, M. A1 Olmedo Martin, R. PB Oxford univ press SN 1873-9946 YR 2021 FD 2021-05-01 LK https://hdl.handle.net/10668/24388 UL https://hdl.handle.net/10668/24388 LA en DS RISalud RD Apr 17, 2025