Guarino Alfredo, Albano Fabio, Ashkenazi Shai, Gendrel Dominique, Hoekstra J Hans, Shamir Raanan, Szajewska Hania
Department of Pediatrics, University of Naples Federico II, Napoli, Italy.
J Pediatr Gastroenterol Nutr. 2008 May;46(5):619-21. doi: 10.1097/MPG.0b013e31816e219e.