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Open-Access Journal
Brief Article
Belinda Sánchez-Pérez, José Manuel Aranda-Narváez, Miguel Angel Suárez-Muñoz, Moises elAdel-delFresno, José Luis Fernández-Aguilar, Jose Antonio Pérez-Daga, Ysabel Pulido-Roa, Julio Santoyo-Santoyo 
World J Gastrointest Surg 4(11):246-250. Published online Nov 27, 2012. doi: 10.4240/wjgs.v4.i11.246
Akira Tsunoda, Yasuharu Kashiwagura, Ken-ichi Hirose, Tadanori Sasaki, Nobuyasu Kano 
World J Gastrointest Surg 4(11):251-255. Published online Nov 27, 2012. doi: 10.4240/wjgs.v4.i11.251
Meta-Analysis
Case Report
Hongfa Zhu, Khaled Obeidat, Jie Ouyang, Sasan Roayaie, Myron E Schwartz, Swan N Thung 
World J Gastrointest Surg 4(11):262-266. Published online Nov 27, 2012. doi: 10.4240/wjgs.v4.i11.262