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Corazziari E, Staiano A, Miele E, Greco L; Italian Society of Pediatric Gastroenterology, Hepatology, and Nutrition.Corazziari E, et al. Among authors: greco l.Clin Gastroenterol Hepatol. 2005 Nov;3(11):1101-6. doi: 10.1016/s1542-3565(05)00848-7.Clin Gastroenterol Hepatol. 2005.PMID: 16271341Clinical Trial.