1. Ustekinumab for resistant pediatric crohn disease;Rinawi;J. Pediatr. Gastroenterol. Nutr.,2016
2. Diagnosis and management of inflammatory bowel disease in children;Oliveira;BMJ,2017
3. Natural history of Crohn's disease: Comparison between childhood- and adult-onset disease;Pigneur;Inflamm. Bowel. Dis.,2010
4. Inflammatory bowel disease in children and adolescents;Rosen;JAMA Pediatr.,2015
5. Crohn's disease;Baumgart;Lancet,2012