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Open-Access Journal
Opinion Review
Paolo Giorgio Arcidiacono, Massimo Falconi, Schalk Van der Merwe, Stefano Crippa, Giuseppe Dell'Anna, Michele Reni, Michiel Bronswijk, Gabriele Capurso, Domenico Tamburrino, Giuseppe Vanella 
World J Gastroenterol 28(10):976-984. Published online Mar 14, 2022. doi: 10.3748/wjg.v28.i10.976
Review
Basic Study
Cristina M Hagen, Eva Roth, Theresia Reding Graf, François Verrey, Rolf Graf, Anurag Gupta, Giovanni Pellegrini, Nadège Poncet, Simone Mafalda Rodrigues Camargo 
World J Gastroenterol 28(10):1024-1054. Published online Mar 14, 2022. doi: 10.3748/wjg.v28.i10.1024
Retrospective Study
Masanao Nakamura, Masatoshi Ishigami, Mitsuhiro Fujishiro, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Kazuhiro Furukawa, Naomi Kakushima, Yasuyuki Mizutani, Eri Ishikawa, Tsunaki Sawada, Keiko Maeda, Takeshi Yamamura, Yuichi Kida 
World J Gastroenterol 28(10):1055-1066. Published online Mar 14, 2022. doi: 10.3748/wjg.v28.i10.1055
Observational Study
Case Report
Letter to the Editor
Wei Wang, Zhi-Peng Li, Juan Zhang, Zi-Jun Lin, Mei-Lin Ma, Si-Si Chen 
World J Gastroenterol 28(10):1085-1087. Published online Mar 14, 2022. doi: 10.3748/wjg.v28.i10.1085