Pauline Wils, Yoram Bouhnik, Bernard Flourie, Hédia Brixi, Jacques Cosnes, et al.. Ustekinumab efficacy and safety in Crohn's disease patients refractory to conventional and anti-TNF therapy: a multicenter retrospective experience.. 10. Congress of ECCO, European Crohn's and Colitis Organisation, Feb 2015, Barcelone, Spain. pp.S37-S39, ⟨10.1093/ecco-jcc/jju027.057⟩. ⟨hal-03553426⟩