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Open-Access Journal
Therapeutic and Diagnostic Guidelines
Pankaj Garg, Baljit Kaur, Vipul D Yagnik, Sushil Dawka, Geetha R Menon 
World J Gastroenterol 27(33):5460-5473. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5460
Review
Zi-Qiang Chu, Ke-Cheng Zhang, Lin Chen 
World J Gastroenterol 27(33):5474-5487. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5474
Ivana Milosevic, Edda Russo, Ankica Vujovic, Aleksandra Barac, Olja Stevanovic, Stefano Gitto, Amedeo Amedei 
World J Gastroenterol 27(33):5488-5501. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5488
Alejandro Campos-Murguía, Berenice M Román-Calleja, José A González-Regueiro, Ivonne Hurtado-Díaz-de-León, Alberto Adrián Solís-Ortega, Nayelli C Flores-García, Ignacio García-Juárez, Astrid Ruiz-Margáin, Ricardo Ulises Macías-Rodríguez 
World J Gastroenterol 27(33):5502-5519. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5502
Minireviews
Chiara Viganò, Giacomo Mulinacci, Andrea Palermo, Donatella Barisani, Lorena Pirola, Maria Fichera, Pietro Invernizzi, Sara Massironi 
World J Gastroenterol 27(33):5520-5535. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5520
Coskun Ozer Demirtas, Maurizia Rossana Brunetto 
World J Gastroenterol 27(33):5536-5554. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5536
Yan-Xia Wei, Kui-Yang Zheng, Yu-Gang Wang 
World J Gastroenterol 27(33):5555-5565. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5555
Basic Study
Huanhuan Wang, Paul Esemu-Ezewu, Jingyi Pan, Julijana Ivanovska, Estelle B Gauda, Jaques Belik 
World J Gastroenterol 27(33):5566-5574. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5566
Brian White, John D Sterrett, Zoya Grigoryan, Lauren Lally, Jared D Heinze, Hyder Alikhan, Christopher A Lowry, Lark J Perez, Joshua DeSipio, Sangita Phadtare 
World J Gastroenterol 27(33):5575-5594. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5575
Retrospective Study
Hiroaki Hagiwara, Fumitaka Moki, Yukiko Yamashita, Kazuki Saji, Keigo Iesaki, Hiromitsu Suda 
World J Gastroenterol 27(33):5595-5609. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5595
Mou Li, Yu-Mei Jin, Yong-Chang Zhang, Ya-Li Zhao, Chen-Cui Huang, Sheng-Mei Liu, Bin Song 
World J Gastroenterol 27(33):5610-5621. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5610
Letter to the Editor
Jiang-Tao Wang, Yan-Dong Miao, Quan-Lin Guan 
World J Gastroenterol 27(33):5622-5624. Published online Sep 7, 2021. doi: 10.3748/wjg.v27.i33.5622
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