Genetic factors conferring an increased susceptibility to develop Crohn's disease also influence disease phenotype: results from the IBDchip European Project

Cleynen, I; Gonzalez, Jr; Figueroa, C; Franke, A; Mcgovern, D; Bortlik, M; Crusius, Bja; Vecchi, M; Artieda, M; Szczypiorska, M; Bethge, J; Arteta, D; Ayala, E; Danese, S; van Hogezand, Ra; Panes, J; Pena, Sa; Lukas, M; Jewell, Dp; Schreiber, S; Vermeire, S; Sans, M