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Open-Access Journal
Opinion Review
Review
Elodie Sarron, Maxime Pérot, Nicolas Barbezier, Carine Delayre-Orthez, Jérôme Gay-Quéheillard, Pauline M Anton 
World J Gastroenterol 26(23):3145-3169. Published online Jun 21, 2020. doi: 10.3748/wjg.v26.i23.3145
Minireviews
Basic Study
Lakshini Y Herat, Natalie C Ward, Aaron L Magno, Elizabeth P Rakoczy, Marcio G Kiuchi, Markus P Schlaich, Vance B Matthews 
World J Gastroenterol 26(23):3225-3235. Published online Jun 21, 2020. doi: 10.3748/wjg.v26.i23.3225
Retrospective Cohort Study
Clinical Trials Study
Observational Study
Meta-Analysis