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Open-Access Journal
Review
Elias Brountzos, Stavros Spiliopoulos, Thiago Franchi Nunes, Tiago Kojun Tibana, Martin Mariappan, Alessandro Posa, Riccardo Inchingolo 
World J Gastroenterol 26(34):5060-5073. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5060
Yue Zhao, Fei Feng, Qing-Hong Guo, Yu-Ping Wang, Rui Zhao 
World J Gastroenterol 26(34):5074-5089. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5074
Minireviews
Basic Study
Shelly C Lu, José M Mato, Liat Hayardeny, Felix Elortza, María Luz Martínez-Chantar, Cristina Alonso, Felix M Goni, Sebastiaan Martijn van Liempd, Darya Tsvirkun, Jesús Sot, Marta Iruarrizaga-Lejarreta, Mikel Azkargorta, Marina Serrano-Macia, Maider Bizkarguenaga, Laura Mosca, Martina Pagano, Jon Bilbao, Laura Delacruz-Villar, Fernando Lopitz-Otsoa, David Fernández-Ramos 
World J Gastroenterol 26(34):5101-5117. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5101
Jia Han, Xin Guo, Xiang-Jin Meng, Jing Zhang, Reimon Yamaguchi, Yoshiharu Motoo, Sohsuke Yamada 
World J Gastroenterol 26(34):5118-5129. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5118
Retrospective Study
Nikolaos K Gatselis, Tamás Tornai, Zakera Shums, Kalliopi Zachou, Asterios Saitis, Stella Gabeta, Roger Albesa, Gary L Norman, Mária Papp, George N Dalekos 
World J Gastroenterol 26(34):5130-5145. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5130
Osamu Toyoshima, Toshihiro Nishizawa, Shuntaro Yoshida, Yoshiki Sakaguchi, Yousuke Nakai, Hidenobu Watanabe, Hidekazu Suzuki, Chizu Tanikawa, Koichi Matsuda, Kazuhiko Koike 
World J Gastroenterol 26(34):5146-5155. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5146
Han Ma, Zhong-Xin Liu, Jing-Jing Zhang, Feng-Tian Wu, Cheng-Fu Xu, Zhe Shen, Chao-Hui Yu, You-Ming Li 
World J Gastroenterol 26(34):5156-5168. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5156
Observational Study
Elymir S Galvis-García, Sergio Sobrino-Cossío, Arturo Reding-Bernal, Yesica Contreras-Marín, Karina Solórzano-Acevedo, Patricia González-Zavala, Rosa M Quispe-Siccha 
World J Gastroenterol 26(34):5169-5180. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5169
Systematic Reviews
Rani Kanthan, Suresh Tharmaradinam, Tehmina Asif, Shahid Ahmed, Selliah C Kanthan 
World J Gastroenterol 26(34):5181-5206. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5181
Meta-Analysis
Syed M Saghir, Harmeet S Mashiana, Babu P Mohan, Banreet S Dhindsa, Amaninder Dhaliwal, Saurabh Chandan, Neil Bhogal, Ishfaq Bhat, Shailender Singh, Douglas G Adler 
World J Gastroenterol 26(34):5207-5219. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5207
Letter to the Editor
Grigory Demyashkin, Margarita Zatsepina 
World J Gastroenterol 26(34):5220-5222. Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5220
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