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Open-Access Journal
Review
Alessandro Fugazza, Antonio Capogreco, Annalisa Cappello, Rosangela Nicoletti, Leonardo Da Rio, Piera Alessia Galtieri, Roberta Maselli, Silvia Carrara, Gaia Pellegatta, Marco Spadaccini, Edoardo Vespa, Matteo Colombo, Kareem Khalaf, Alessandro Repici, Andrea Anderloni 
World J Gastrointest Endosc 14(5):250-266. Published online May 16, 2022. doi: 10.4253/wjge.v14.i5.250
Minireviews
Riccardo Inchingolo, Fabrizio Acquafredda, Alessandro Posa, Thiago Franchi Nunes, Stavros Spiliopoulos, Francesco Panzera, Carlos Alberto Praticò 
World J Gastrointest Endosc 14(5):291-301. Published online May 16, 2022. doi: 10.4253/wjge.v14.i5.291
Retrospective Study
Shohei Yonemoto, Masaya Uesato, Akira Nakano, Kentaro Murakami, Takeshi Toyozumi, Tetsuro Maruyama, Hiroshi Suito, Tomohide Tamachi, Manami Kato, Shunsuke Kainuma, Keisuke Matsusaka, Hisahiro Matsubara 
World J Gastrointest Endosc 14(5):320-334. Published online May 16, 2022. doi: 10.4253/wjge.v14.i5.320
Case Report
Letter to the Editor