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Open-Access Journal
Minireviews
Basic Study
Retrospective Cohort Study
Retrospective Study
Observational Study
Koji Nakada, Yoshiyuki Kawashima, Shinichi Kinami, Ryoji Fukushima, Hiroshi Yabusaki, Akiyoshi Seshimo, Naoki Hiki, Keisuke Koeda, Mikihiro Kano, Yoshikazu Uenosono, Atsushi Oshio, Yasuhiro Kodera 
World J Gastrointest Surg 13(5):461-475. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.461
Meta-Analysis
Maria Vitória Cury Vieira Scatimburgo, Igor Braga Ribeiro, Diogo Turiani Hourneaux de Moura, Vitor Massaro Takamatsu Sagae, Bruno Salomão Hirsch, Mateus Bond Boghossian, Thomas R McCarty, Marcos Eduardo Lera dos Santos, Tomazo Antonio Prince Franzini, Wanderley Marques Bernardo, Eduardo Guimarães Hourneaux de Moura 
World J Gastrointest Surg 13(5):493-506. Published online May 27, 2021. doi: 10.4240/wjgs.v13.i5.493
Case Report