Publication info: Am J Gastroenterol. 2007 Aug; 102(8):1661-70; quiz 1660, 1671. PMID: 17555459External link: http://www.ncbi.nlm.nih.gov/pubmed/17555459Publication date: August, 2007Authors: Capocaccia R, Sant M, Berrino F, Simonetti A, Santi V, Trevisani FPublication type: Paper