 | Up a level |
Brägger, CP; Ballabeni, P; Rogler, D; Vavricka, SR; Friedt, M; Pittet, Valérie; Swiss IBD Cohort Study Group, The (2011). Epidemiology of inflammatory bowel disease: Is there a shift towards onset at a younger age? Journal of pediatric gastroenterology and nutrition, 53(2), pp. 141-4. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/MPG.0b013e318218be35
