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Open-Access Journal
Editorial
Marcio F Chedid, Marcelo A Pinto, Jose Felipe G Juchem, Tomaz J M Grezzana-Filho, Cleber R P Kruel 
World J Gastrointest Surg 11(3):122-125. Published online Mar 27, 2019. doi: 10.4240/wjgs.v11.i3.122
Review
Minireviews
Antonios Athanasiou, Mairead Hennessy, Eleftherios Spartalis, Benjamin H L Tan, Ewen A Griffiths 
World J Gastrointest Surg 11(3):155-168. Published online Mar 27, 2019. doi: 10.4240/wjgs.v11.i3.155
Prospective Study
Systematic Review
Case Report