Feagan, B G, Rutgeerts, P, Sands, B E, Hanauer, S, Colombel, J-F, Sandborn, W J, Van Assche, G, Axler, J, Kim, H-J, Danese, S, Fox, I, Milch, C, Sankoh, S, Wyant, T, Xu, J, Parikh, A, GEMINI 1 Study Group & Andersen, V 2013, ' Vedolizumab as induction and maintenance therapy for ulcerative colitis ', The New England Journal of Medicine, vol. 369, no. 8, pp. 699-710 . https://doi.org/10.1056/NEJMoa1215734