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Open-Access Journal
Minireviews
Retrospective Cohort Study
Retrospective Study
Marcus Fernando Kodama Pertille Ramos, Marina Alessandra Pereira, Andre Roncon Dias, Anna Carolina Batista Dantas, Daniel Jose Szor, Ulysses Ribeiro Jr, Bruno Zilberstein, Ivan Cecconello 
World J Gastrointest Surg 13(4):366-378. Published online Apr 27, 2021. doi: 10.4240/wjgs.v13.i4.366
Systematic Reviews
Hui Yu Tham, Wen Hui Lim, Sneha Rajiv Jain, Cheng Han Mg, Snow Yunni Lin, Jie Ling Xiao, Fung Joon Foo, Kar Yong Wong, Choon Seng Chong 
World J Gastrointest Surg 13(4):379-391. Published online Apr 27, 2021. doi: 10.4240/wjgs.v13.i4.379