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Open-Access Journal
Review
Sema Oncel, Marc D Basson 
World J Gastroenterol 28(17):1725-1750. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1725
Feng Yin, Zi-Hao Wu, Jin-Ping Lai 
World J Gastroenterol 28(17):1751-1767. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1751
Minireviews
Basic Study
Jin-Jin Zhang, Chang-Xiong Cao, Li-Lan Wan, Wen Zhang, Zhong-Jiang Liu, Jin-Li Wang, Qiang Guo, Hui Tang 
World J Gastroenterol 28(17):1781-1797. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1781
Pan Cao, Qian Chen, Chun-Xia Shi, Lu-Wen Wang, Zuo-Jiong Gong 
World J Gastroenterol 28(17):1798-1813. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1798
Flavia Maria Silva-Veiga, Carolline Santos Miranda, Isabela Macedo Lopes Vasques-Monteiro, Henrique Souza-Tavares, Fabiane Ferreira Martins, Julio Beltrame Daleprane, Vanessa Souza-Mello 
World J Gastroenterol 28(17):1814-1829. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1814
Retrospective Cohort Study
James Guoxian Huang, Yoko Kin Yoke Wong, Kee Seang Chew, Pornthep Tanpowpong, Karen Sophia Calixto Mercado, Almida Reodica, Shaman Rajindrajith, Kai-Chi Chang, Yen-Hsuan Ni, Suporn Treepongkaruna, Way-Seah Lee, Marion Margaret Aw 
World J Gastroenterol 28(17):1830-1844. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1830
Retrospective Study
Seong Ji Choi, Hong Sik Lee, Jiyeong Kim, Jung Wan Choe, Jae Min Lee, Jong Jin Hyun, Jai Hoon Yoon, Hyo Jung Kim, Jae Seon Kim, Ho Soon Choi 
World J Gastroenterol 28(17):1845-1859. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1845
Mitsuru Sugimoto, Tadayuki Takagi, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Yuki Sato, Hiroki Irie, Yoshinori Okubo, Jun Nakamura, Mika Takasumi, Minami Hashimoto, Tsunetaka Kato, Ryoichiro Kobashi, Takumi Yanagita, Takuto Hikichi, Hiromasa Ohira 
World J Gastroenterol 28(17):1860-1870. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1860
Letter to the Editor
Alla Turshudzhyan, Houman Rezaizadeh 
World J Gastroenterol 28(17):1871-1874. Published online May 7, 2022. doi: 10.3748/wjg.v28.i17.1871
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