The second European evidence-based Consensus on the diagnosis and management of Crohn's disease: Current management
Dignass A., Van Assche G., Lindsay JO., Lémann M., Söderholm J., Colombel JF., Danese S., D'Hoore A., Gassull M., Gomollón F., Hommes DW., Michetti P., O'Morain C., Öresland T., Windsor A., Stange EF., Travis SPL.