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Marcello Maida, Sandro Sferrazza, Carlo Maida, Gaetano Cristian Morreale, Alessandro Vitello, Giovanni Longo, Vincenzo Garofalo, Emanuele Sinagra 
World J Gastrointest Endosc 12(6):172-192. Published online Jun 16, 2020. doi: 10.4253/wjge.v12.i6.172
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