7IBD Working Group of the European Society for Paediatric Gastroenterology,Hepatology and Nutrition(ESPGHAN).Inflammatory bowel disease in children and adolescent:Recommendations for diagnosis-The Porto Criteria[J].J Pediatr Gastroenterol Nutr,2005,41(1):1-7.
8Cuffari C.Inflammatory bowel disease in children:A pediatrician's perspective[J].Minerva Pediatr,2006,58(2):139-157.
9Ravikumara M,Sandhu BK.Epidemiology of inflammatory bowel diseases in childhood[J].Indian J Pediatr,2006,73(8):717-721.
10Heyman MB,Kirschner BS,Gold BD,et al.Children with early-onset inflammatory bowel disease(IBD):Analysis of a pediatric IBD consortium registry[J].J Pediatr,2005,146(1):35-40.