Journal of Crohn's and Colitis
Journal of Crohn's and Colitis > 2011 > 5 > 5 > 423-429
Journal of Crohn's and Colitis > 2012 > 6 > 1 > 102-107
Journal of Crohn's and Colitis > 2012 > 6 > 5 > 563-570
Journal of Crohn's and Colitis > 2014 > 8 > 9 > 1125-1132