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Open-Access Journal
Review
Hajime Isomoto, Kazuya Matsumoto, Yohei Takeda, Soichiro Kawata, Hiroki Kurumi, Taro Yamashita, Yuri Sakamoto, Shiho Kawahara, Wataru Hamamoto, Hiroki Koda, Takumi Onoyama 
World J Gastroenterol 28(19):2034-2056. Published online May 21, 2022. doi: 10.3748/wjg.v28.i19.2034
Minireviews
Basic Study
Retrospective Cohort Study
Prospective Study
Mahsa Taghiakbari, Celia Hammar, Mira Frenn, Roupen Djinbachian, Heiko Pohl, Erik Deslandres, Simon Bouchard, Mickael Bouin, Daniel von Renteln 
World J Gastroenterol 28(19):2137-2147. Published online May 21, 2022. doi: 10.3748/wjg.v28.i19.2137
Letter to the Editor