Sands, Feagan, Rutgeerts, Colombel, Sandborn, Sy, D'Haens, Ben-Horin, Xu, Rosario, Fox, Parikh, Milch, Hanauer, 2014. Effects of Vedolizumab Induction Therapy for Patients With Crohn's Disease in Whom Tumor Necrosis Factor Antagonist Treatment Failed 147.. https://doi.org/10.1053/j.gastro.2014.05.008