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Open-Access Journal
Review
Gabrio Bassotti, Alessandro Fruganti, Fabrizio Stracci, Pierfrancesco Marconi, Katia Fettucciari 
World J Gastroenterol 29(4):582-596. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.582
Elias Kouroumalis, Ioannis Tsomidis, Argyro Voumvouraki 
World J Gastroenterol 29(4):616-655. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.616
Minireviews
Tarana Gupta, Hemant Sharma 
World J Gastroenterol 29(4):656-669. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.656
Yu-Chu He, Zi-Ning Hao, Zhuo Li, Da-Wei Gao 
World J Gastroenterol 29(4):670-681. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.670
Chu K Yao, Chen Sarbagili-Shabat 
World J Gastroenterol 29(4):682-691. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.682
Retrospective Cohort Study
Retrospective Study
Hai-Ning Liu, Can Yao, Xiao-Fan Wang, Ning-Ping Zhang, Yan-Jie Chen, Dong Pan, Guo-Ping Zhao, Xi-Zhong Shen, Hao Wu, Tao-Tao Liu 
World J Gastroenterol 29(4):706-730. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.706
Ming-Ming Li, Yi Zhang, Fang Sun, Man-Xiu Huai, Fei-Yu Zhang, Chun-Ying Qu, Feng Shen, Zheng-Hong Li, Lei-Ming Xu 
World J Gastroenterol 29(4):731-743. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.731
Observational Study
Ayooluwatomiwa Deborah Adekunle, Muni Rubens, Mary Sedarous, Tahniyat Tariq, Philip N Okafor 
World J Gastroenterol 29(4):744-757. Published online Jan 28, 2023. doi: 10.3748/wjg.v29.i4.744
Case Report
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