Incidence, clinical presentation and location at diagnosis of pediatric inflammatory bowel disease: a prospective population-based study in northern France (1988-1999).
Auvin S, Molinié F, Gower-Rousseau C, Brazier F, Merle V, Grandbastien B, Marti R, Lerebours E, Dupas JL, Colombel JF, et al. J Pediatr Gastroenterol Nutr. 2005 Jul; 41(1):49-55.