Colombel, J., Panaccione, R., Bossuyt, P., Lukas, M., Baert, F., Vaňásek, T., Danalioglu, A., Novacek, G., Armuzzi, A., Hébuterne, X., Travis, S., Danese, S., Reinisch, W., Sandborn, W. J., Rutgeerts, P., Hommes, D., Schreiber, S., Neimark, E., Huang, B., Zhou, Q., Mendez, P., Petersson, J., Wallace, K., Robinson, A. M., Thakkar, R. B., & D'Haens, G. (2017). effect of tight control management on Crohn's disease (CALM): a multicentre, randomised, controlled phase 3 trial. Lancet, 390(10114), 2779–2789. http://access.bl.uk/ark:/81055/vdc_100054810396.0x000050