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Open-Access Journal
Review
Andrew Chan, Hamish Philpott, Amanda H Lim, Minnie Au, Derrick Tee, Damian Harding, Mohamed Asif Chinnaratha, Biju George, Rajvinder Singh 
World J Gastrointest Endosc 12(11):408-450. Published online Nov 16, 2020. doi: 10.4253/wjge.v12.i11.408
Basic Study
Hong Shi, Su-Yu Chen, Zhao-Fei Xie, Rui Huang, Jia-Li Jiang, Juan Lin, Fang-Fen Dong, Jia-Xiang Xu, Zhi-Li Fang, Jun-Jie Bai, Ben Luo 
World J Gastrointest Endosc 12(11):451-458. Published online Nov 16, 2020. doi: 10.4253/wjge.v12.i11.451
Observational Study
Systematic Reviews
Juan Pablo Román Serrano, José Jukemura, Samuel Galante Romanini, Paúl Fernando Guamán Aguilar, Juliana Silveira Lima de Castro, Isabela Trindade Torres, José Andres Sanchez Pulla, Otavio Micelli Neto, Eloy Taglieri, José Celso Ardengh 
World J Gastrointest Endosc 12(11):469-487. Published online Nov 16, 2020. doi: 10.4253/wjge.v12.i11.469
Case Report
Germana de Nucci, Nicola Imperatore, Desiree Picascia, Enzo Domenico Mandelli, Cristina Bezzio, Ilaria Arena, Barbara Omazzi, Alberto Larghi, Gianpiero Manes 
World J Gastrointest Endosc 12(11):488-492. Published online Nov 16, 2020. doi: 10.4253/wjge.v12.i11.488
Flaubert Sena de Medeiros, Epifanio Silvino do Monte Junior, Romero de Lima França, Heli Clóvis de Medeiros Neto, Juliany Medeiros Santos, Eligio Alves Almeida Júnior, Samuel Oliveira da Silva Júnior, Mario Herman Santos Moura Pedreira Tavares, Eduardo Guimarães Hourneaux de Moura 
World J Gastrointest Endosc 12(11):493-499. Published online Nov 16, 2020. doi: 10.4253/wjge.v12.i11.493