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Pietro Marone, Mario de Bellis, Valentina D’Angelo, Paolo Delrio, Valentina Passananti, Elena Di Girolamo, Giovanni Battista Rossi, Daniela Rega, Maura Claire Tracey, Alfonso Mario Tempesta 
World J Gastrointest Endosc 7(7):688-701. Published online Jun 25, 2015. doi: 10.4253/wjge.v7.i7.688
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