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Open-Access Journal
Review
Bruno Lima Rodrigues, Márcia Carolina Mazzaro, Cristiane Kibune Nagasako, Maria de Lourdes Setsuko Ayrizono, João José Fagundes, Raquel Franco Leal 
World J Gastrointest Endosc 12(12):504-520. Published online Dec 16, 2020. doi: 10.4253/wjge.v12.i12.504
Minireviews
Retrospective Cohort Study
Case Report
Silvia Cocca, Giuseppe Grande, Luca Reggiani Bonetti, Paolo Magistri, Stefano Di Sandro, Fabrizio Di Benedetto, Rita Conigliaro, Helga Bertani 
World J Gastrointest Endosc 12(12):555-559. Published online Dec 16, 2020. doi: 10.4253/wjge.v12.i12.555