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Open-Access Journal
Observational Study
Helga Bertani, Raffaele Pezzilli, Flavia Pigò, Mauro Bruno, Claudio De Angelis, Guido Manfredi, Gabriele Delconte, Rita Conigliaro, Elisabetta Buscarini 
World J Gastrointest Endosc 13(11):555-564. Published online Nov 16, 2021. doi: 10.4253/wjge.v13.i11.555
Case Report
Alberto Martino, Gaspare Oliva, Francesco Paolo Zito, Mattia Silvestre, Raffaele Bennato, Luigi Orsini, Raffaella Niola, Luigia Romano, Giovanni Lombardi 
World J Gastrointest Endosc 13(11):565-570. Published online Nov 16, 2021. doi: 10.4253/wjge.v13.i11.565