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Open-Access Journal
Editorial
Maria Michela Chiarello, Valeria Fico, Gilda Pepe, Giuseppe Tropeano, Neill James Adams, Gaia Altieri, Giuseppe Brisinda 
World J Gastroenterol 28(7):693-703. Published online Feb 21, 2022. doi: 10.3748/wjg.v28.i7.693
Minireviews
Retrospective Study
Tian Pu, Jiang-Ming Chen, Zi-Han Li, Dong Jiang, Qi Guo, Ang-Qing Li, Ming Cai, Zi-Xiang Chen, Kun Xie, Yi-Jun Zhao, Cheng Wang, Hui Hou, Zheng Lu, Xiao-Ping Geng, Fu-Bao Liu 
World J Gastroenterol 28(7):715-731. Published online Feb 21, 2022. doi: 10.3748/wjg.v28.i7.715
Observational Study
Systematic Reviews
Case Report
Letter to the Editor
Lorenzo Dioscoridi, Massimiliano Mutignani 
World J Gastroenterol 28(7):763-765. Published online Feb 21, 2022. doi: 10.3748/wjg.v28.i7.763