Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association (2016) - Comment
pubmed: 26538207  doi: 10.1016/j.cgh.2015.10.024  issn: 1542-3565  issn: 1542-7714 

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Umberto Volta, Giacomo Caio, Fiorella Giancola, Kerry J. Rhoden, Eugenio Ruggeri, Elisa Boschetti, Vincenzo Stanghellini, Roberto De Giorgio