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Smoking does influence disease behaviour and impacts the need for therapy in Crohn′s disease in the biologic eraNunes, T.; Etchevers, M. J.; Domènech, E.; García-Sánchez, V.; Ber, Y.; Peñalva, M.; Merino, O.; Nos, P.; Garcia-Planella, E.; Casbas, A. G.; Esteve, M.; Taxonera Samsó, C.; Montoro Huguet, M.; Gisbert, J. P.; Martín Arranz, M. D.; García-Sepulcre, M. F.; de Acosta, M. Barreiro-; Beltrán, B.; Alcaide Suárez, N.; Saro Gismera, C.; Cabriada, J. L.; Cañas-Ventura, A.; Gomollón, F.; Panés, J. · Alimentary Pharmacology & Therapeutics · 2013