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Open-Access Journal
Minireviews
Retrospective Study
Shinichi Kinami, Toshio Ohnishi, Naohiko Nakamura, Zhi Yong Jiang, Takashi Miyata, Hideto Fujita, Hiroyuki Takamura, Nobuhiko Ueda, Takeo Kosaka 
World J Gastrointest Surg 12(6):277-286. Published online Jun 27, 2020. doi: 10.4240/wjgs.v12.i6.277
Observational Study
Case Report
Zsolt Zoltan Fulop, Simona Gurzu, Ioan Jung, Patricia Simu, Laura Banias, Emoke Fulop, Emoke Dragus, Tivadar Jr Bara 
World J Gastrointest Surg 12(6):298-306. Published online Jun 27, 2020. doi: 10.4240/wjgs.v12.i6.298