2.Australian Crohn's and Colitis Association (ACCA). The economic costs of crohn's disease and ulcerative colitis. 2007 Jun.
3.Romano C, Syed S, Valenti S, Kugathasan S. Management of acute severe colitis in children with ulcerative colitis in the biologics era. Pediatrics. 2016 May;137(5):e20151184. doi: 10.1542/peds.2015-1184.
4.Ishige T, Tomomasa T, Hatori R, et al. Temporal trend of pediatric inflammatory bowel disease: analysis of national registry data 2004 to 2013 in Japan. J Pediatr Gastroenterol Nutr. 2017;65(4):e80-e2.
5.Jakobsen C, Bartek J Jr, Wewer V, Vind I, Munkholm P, Groen R, Paerregaard A. Differences in phenotype and disease course in adult and paediatric inflammatory bowel disease--a population-based study. Aliment Pharmacol Ther. 2011 Nov;34(10):1217-24.