Long-term Efficacy and Safety of Stem Cell Therapy (Cx601) for Complex Perianal Fistulas in Patients With Crohn's Disease

Panes, J; Garcia-Olmo, D; Van Assche, G; Colombel, Jf; Reinisch, W; Baumgart, Dc; Dignass, A; Nachury, M; Ferrante, M; Kazemi-Shirazi, L; Grimaud, Jc; de la Portilla, F; Goldin, E; Richard, Mp; Diez, Mc; Tagarro, I; Leselbaum, A; Danese, S