1. P443 Clinical features, therapeutic requirements, and evolution of patients with Crohn's disease and upper digestive tract involvement (CROHNEX study). (25th January 2019) Authors: Sainz Arnau, E; Zabana, Y; Miguel, I; Fernández Clotet, A; Casanova, M J; Martín, M D; Picó, M D; Alfambra, E; Rodriguez, I; Muñoz, F; Domínguez, M; Iglesias, E; Busquets, D; Gutiérrez, A; Cañete, F; Nuñez, L; Taxonera, C; Beltrán, B; Camps, B; Calvet, X Journal: Journal of Crohn's and colitis Issue: Volume 13(2019)Supplement 1 Page Start: S332 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗