Rovelli Attilio, Corti Paola, Beretta Chiara, Bovo Giorgio, Conter Valentino, Mieli-Vergani Giorgina
Department of Pediatrics, University of Milano-Bicocca, Italy.
J Pediatr Gastroenterol Nutr. 2007 Nov;45(5):596-9. doi: 10.1097/MPG.0b013e318033169f.