| J P Franciosi Randomised controlled trial of paediatric magnetic positioning device assisted colonoscopy: a pilot and feasibility studyJ P Franciosi Division of Gastroenterology, Hepatology and Nutrition, The Children s Hospital of Philadelphia, University of Pennsylvania School of Medicine, 324 South 34th Street, Philadelphia, PA 19104 4399, United States Dig Liver Dis 41:123-6. 2009 A case-control study of sociodemographic and geographic characteristics of 335 children with eosinophilic esophagitisJames P Franciosi Division of Gastroenterology, Hepatology and Nutrition, The Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA Clin Gastroenterol Hepatol 7:415-9. 2009 Changing indications for upper endoscopy in children during a 20-year periodJames P Franciosi Cincinnati Children s Hospital Medical Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati, OH 45229, USA J Pediatr Gastroenterol Nutr 51:443-7. 2010
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