TY - JOUR A1 - Echarri Piudo, Ana AU - Ollero Pena, Virginia AU - Fraga Iriso, Rebeca AU - García Diéguez , Leticia T1 - Differences in biologic efficacy and dose-escalation among anti-TNF agents in Crohn's disease and ulcerative colitis Y1 - 2015 SN - 1873-9946 UR - http://hdl.handle.net/20.500.11940/3577 LA - eng ER -