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Open-Access Journal
Opinion Review
Abhinav Vasudevan, David H Bruining, Edward V Loftus Jr, William Faubion, Eric C Ehman, Laura Raffals 
World J Gastroenterol 27(25):3693-3704. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3693
Review
Minireviews
Riccardo Inchingolo, Fabrizio Acquafredda, Michele Tedeschi, Letizia Laera, Gianmarco Surico, Alessia Surgo, Alba Fiorentino, Stavros Spiliopoulos, Nicola de’Angelis, Riccardo Memeo 
World J Gastroenterol 27(25):3780-3789. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3780
Qiao Zhan, Jing-Hang Xu, Yan-Yan Yu, Emily Lo KK, Felicianna, Hani El-Nezami, Zheng Zeng 
World J Gastroenterol 27(25):3790-3801. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3790
Anna Di Sessa, Simona Riccio, Emilia Pirozzi, Martina Verde, Antonio Paride Passaro, Giuseppina Rosaria Umano, Stefano Guarino, Emanuele Miraglia del Giudice, Pierluigi Marzuillo 
World J Gastroenterol 27(25):3815-3824. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3815
Basic Study
You-Han Miao, Li-Ping Mao, Xiao-Juan Cai, Xiao-Ying Mo, Qi-Qi Zhu, Fei-Tong Yang, Mei-Hua Wang 
World J Gastroenterol 27(25):3851-3862. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3851
Retrospective Cohort Study
Retrospective Study
Observational Study
Meta-Analysis
Case Report
Letter to the Editor
Chao-Ming Hung, Po-Huang Lee, Hui-Ming Lee, Chong-Chi Chiu 
World J Gastroenterol 27(25):3948-3950. Published online Jul 7, 2021. doi: 10.3748/wjg.v27.i25.3948
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