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Open-Access Journal
Review
Konstantinos Georgiou, Nikolay A Belev, Tilemachos Koutouratsas, Hector Katifelis, Maria Gazouli 
World J Gastrointest Pathophysiol 13(3):59-72. Published online May 22, 2022. doi: 10.4291/wjgp.v13.i3.59
Basic Study
Retrospective Study
Dushyant Singh Dahiya, Abhilash Perisetti, Asim Kichloo, Amandeep Singh, Hemant Goyal, Laura Rotundo, Madhu Vennikandam, Hafeez Shaka, Gurdeep Singh, Jagmeet Singh, Sailaja Pisipati, Mohammad Al-Haddad, Madhusudhan R Sanaka, Sumant Inamdar 
World J Gastrointest Pathophysiol 13(3):85-95. Published online May 22, 2022. doi: 10.4291/wjgp.v13.i3.85
Observational Study
Kouichi Miura, Hiroshi Maeda, Naoki Morimoto, Shunji Watanabe, Mamiko Tsukui, Yoshinari Takaoka, Hiroaki Nomoto, Rie Goka, Kazuhiko Kotani, Hironori Yamamoto 
World J Gastrointest Pathophysiol 13(3):96-106. Published online May 22, 2022. doi: 10.4291/wjgp.v13.i3.96
Case Report
Mateus Barradas Ribeiro, Emerson Shigueaki Abe, André Kondo, Adriana Vaz Safatle-Ribeiro, Marina Alessandra Pereira, Bruno Zilberstein, Ulysses Ribeiro Jr 
World J Gastrointest Pathophysiol 13(3):107-113. Published online May 22, 2022. doi: 10.4291/wjgp.v13.i3.107
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