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Open-Access Journal
Opinion Review
Review
Jodi-Ann Edwards, Nicholas Tan, Nadlie Toussaint, Peiqi Ou, Cathy Mueller, Albert Stanek, Vladimir Zinsou, Sean Roudnitsky, Michelle Sagal, Lisa Dresner, Alexander Schwartzman, Chongmin Huan 
World J Gastroenterol 26(21):2702-2714. Published online Jun 7, 2020. doi: 10.3748/wjg.v26.i21.2702
Prabin Sharma, Thomas R McCarty, Ankit Chhoda, Antonio Costantino, Caroline Loeser, Thiruvengadam Muniraj, Marvin Ryou, Christopher C Thompson 
World J Gastroenterol 26(21):2715-2728. Published online Jun 7, 2020. doi: 10.3748/wjg.v26.i21.2715
Minireviews
Basic Study
Gregorio Di Franco, Alice Usai, Niccola Funel, Matteo Palmeri, Ida Elena Rosamaria Montesanti, Matteo Bianchini, Desirée Gianardi, Niccolò Furbetta, Simone Guadagni, Enrico Vasile, Alfredo Falcone, Luca Emanuele Pollina, Vittoria Raffa, Luca Morelli 
World J Gastroenterol 26(21):2792-2809. Published online Jun 7, 2020. doi: 10.3748/wjg.v26.i21.2792
Retrospective Cohort Study
Retrospective Study
Observational Study
Jia-Nan Chen, Zheng Liu, Zhi-Jie Wang, Shi-Wen Mei, Hai-Yu Shen, Juan Li, Wei Pei, Zheng Wang, Xi-Shan Wang, Jun Yu, Qian Liu 
World J Gastroenterol 26(21):2877-2888. Published online Jun 7, 2020. doi: 10.3748/wjg.v26.i21.2877