Authors: Ivor D Hill; Martha H Dirks; Gregory S Liptak; Richard B Colletti; Alessio Fasano; Stefano Guandalini; Edward J Hoffenberg; Karoly Horvath; Joseph A Murray; Mitchell Pivor; Ernest G Seidman Journal: J Pediatr Gastroenterol Nutr Date: 2005-01 Impact factor: 2.839