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Open-Access Journal
Minireviews
Hai-Yang Chen, Peng Ge, Jia-Yue Liu, Jia-Lin Qu, Fang Bao, Cai-Ming Xu, Hai-Long Chen, Dong Shang, Gui-Xin Zhang 
World J Gastroenterol 28(20):2152-2162. Published online May 28, 2022. doi: 10.3748/wjg.v28.i20.2152
Basic Study
Retrospective Cohort Study
Retrospective Study
Observational Study
Case Report
Giorgio Valerii, Vittorio Maria Ormando, Carlo Cellini, Luca Sacco, Carmelo Barbera 
World J Gastroenterol 28(20):2243-2247. Published online May 28, 2022. doi: 10.3748/wjg.v28.i20.2243
Letter to the Editor