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Open-Access Journal
Review
Fernando López-Campos, Margarita Martín-Martín, Roberto Fornell-Pérez, Juan Carlos García-Pérez, Javier Die-Trill, Raquel Fuentes-Mateos, Sergio López-Durán, José Domínguez-Rullán, Reyes Ferreiro, Alejandro Riquelme-Oliveira, Asunción Hervás-Morón, Felipe Couñago 
World J Gastroenterol 26(29):4218-4239. Published online Aug 7, 2020. doi: 10.3748/wjg.v26.i29.4218
Minireviews
Riccardo Inchingolo, Cesare Maino, Marco Gatti, Eleonora Tricarico, Michele Nardella, Luigi Grazioli, Sandro Sironi, Davide Ippolito, Riccardo Faletti 
World J Gastroenterol 26(29):4261-4271. Published online Aug 7, 2020. doi: 10.3748/wjg.v26.i29.4261
Basic Study
Clinical and Translational Research
Retrospective Cohort Study
Tilmann Graeter, Hai-Hua Bao, Rong Shi, Wen-Ya Liu, Wei-Xia Li, Yi Jiang, Julian Schmidberger, Eleonore Brumpt, Eric Delabrousse, Wolfgang Kratzer, the XUUB Consortium 
World J Gastroenterol 26(29):4302-4315. Published online Aug 7, 2020. doi: 10.3748/wjg.v26.i29.4302
Retrospective Study
Jian-Ping Wang, Zhi-Gang Yao, Ya-Wen Sun, Xi-Han Liu, Feng-Kai Sun, Cun-Hu Lin, Fu-Xin Ren, Bei-Bei Lv, Shuai-Jun Zhang, Yang Wang, Fan-Ying Meng, Shun-Zhen Zheng, Wei Gong, Jun Liu 
World J Gastroenterol 26(29):4327-4342. Published online Aug 7, 2020. doi: 10.3748/wjg.v26.i29.4327
Observational Study
Meta-Analysis
Case Report