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Open-Access Journal
Review
Ze-Yu Wu, Yi-Ling Li, Bing Chang 
World J Gastroenterol 26(44):6909-6922. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6909
Minireviews
Arushi Kohli, Erik A Holzwanger, Alexander N Levy 
World J Gastroenterol 26(44):6923-6928. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6923
Basic Study
Sang-Ho Park, Hee-Min Park, Kwang-Ryul Baek, Hong-Min Ahn, In Young Lee, Gyung Mo Son 
World J Gastroenterol 26(44):6945-6962. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6945
Case Control Study
Dong-Won Ahn, Ji Bong Jeong, Jinwoo Kang, Su Hwan Kim, Ji Won Kim, Byeong Gwan Kim, Kook Lae Lee, Sohee Oh, Soon Ho Yoon, Sang Joon Park, Doo Hee Lee 
World J Gastroenterol 26(44):6979-6992. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6979
Retrospective Cohort Study
Flora Maria Lorenzo Fortes, Ney Boa Sorte, Victor D Mariano, Laíla D Andrade, Fernanda A Oliveira, Monique CA Santos, Cláudia Ivanilda N dos Santos, Catharina A Passos, Mila P Pacheco, Valdiana C Surlo, Neogélia P de Almeida, Jaciane AM Fontes, Andréa M Pimentel, Raquel Rocha, Genoile Oliveira Santana 
World J Gastroenterol 26(44):6993-7004. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.6993
Retrospective Study
Di Zhou, Gang-Feng Hu, Wei-Chen Gao, Xiao-Yu Zhang, Wen-Bin Guan, Jian-Dong Wang, Fei Ma 
World J Gastroenterol 26(44):7005-7021. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7005
Observational Study
Mohamed Shengir, Srinivasan Krishnamurthy, Peter Ghali, Marc Deschenes, Philip Wong, Tianyan Chen, Giada Sebastiani 
World J Gastroenterol 26(44):7046-7060. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7046
Prospective Study
Chong-Fei Huang, Jun-Jun Huang, Ning-Ning Mi, Yan-Yan Lin, Qiang-Sheng He, Ya-Wen Lu, Ping Yue, Bing Bai, Jin-Duo Zhang, Chao Zhang, Teng Cai, Wen-Kang Fu, Long Gao, Xun Li, Jin-Qiu Yuan, Wen-Bo Meng 
World J Gastroenterol 26(44):7061-7075. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7061
Case Report
Anna Sessa, Alessandra Mazzola, Chetana Lim, Mohammed Atif, Juliana Pappatella, Valerie Pourcher, Olivier Scatton, Filomena Conti 
World J Gastroenterol 26(44):7076-7084. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7076
Letter to the Editor
Amera Elzubeir, Syed Munawer Alam 
World J Gastroenterol 26(44):7085-7087. Published online Nov 28, 2020. doi: 10.3748/wjg.v26.i44.7085
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