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Open-Access Journal
Retrospective Study
Jin Joo Kim, Young Jun Park, Ki Yoon Moon, Jin Hyeong Park, Yong Ki Jeong, Eun Young Kim 
World J Gastrointest Surg 11(12):422-432. Published online Dec 27, 2019. doi: 10.4240/wjgs.v11.i12.422
Case Report
Juan Glinka, Francisco Calderón, Martín de Santibañes, Sung Ho Hyon, Adrián Gadano, Eduardo Mullen, Melina Pol, Juan Spina, Eduardo de Santibañes 
World J Gastrointest Surg 11(12):443-448. Published online Dec 27, 2019. doi: 10.4240/wjgs.v11.i12.443