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Riccardo Faletti, Marco Gatti, Michele Nardella, Silvia Girolama Drago, Luigi Grazioli, Riccardo Inchingolo, Davide Ippolito 
World J Gastroenterol 24(23):2413-2426. Published online Jun 21, 2018. doi: 10.3748/wjg.v24.i23.2413
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