%0 Generic %A Rueda Sanchez, J. %A Cabello Ramirez, N. %A Camara Baena, S. %A Keco Huerga, A. %A de la Borbolla Serres, J. Garcia %A Castro Fernandez, M. %A Grande Santamaria, L. %T Ustekinumab is an effective and safe therapy in anti-TNF refractory Crohn's Disease: a two year real-life observational study from Spain %D 2021 %@ 1873-9946 %U https://hdl.handle.net/10668/27120 %~