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Open-Access Journal
Retrospective Study
Sonia Castanedo, Enrique Toledo, Roberto Fernández-Santiago, Federico Castillo, Juan Echeverri, Juan Carlos Rodríguez-Sanjuán 
World J Gastrointest Surg 12(8):336-345. Published online Aug 27, 2020. doi: 10.4240/wjgs.v12.i8.336
Observational Study
Review