Calafiore, A., Rizzello, F., Praticò, C., Gionchetti, P., Calabrese, C., Liguori, G. and Campieri, M. (2013) “Clinical management of severe active ulcerative colitis in the TNF-a inhibitors era”, Italian Journal of Medicine, 7(4), pp. 272–277. doi: 10.4081/itjm.2013.272.