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Open-Access Journal
Original Article
Kazuhito Yajima, Tatsuo Kanda, Shin-ichi Kosugi, Yosuke Kano, Takashi Ishikawa, Hiroshi Ichikawa, Takaaki Hanyu, Toshifumi Wakai 
World J Gastrointest Surg 6(12):235-240. Published online Dec 27, 2014. doi: 10.4240/wjgs.v6.i12.235
Systematic Reviews
Muhammad S Sajid, Malcolm R McFall, Pauline A Whitehouse, Parv S Sains 
World J Gastrointest Surg 6(12):241-247. Published online Dec 27, 2014. doi: 10.4240/wjgs.v6.i12.241
Case Report
Maria Isabel Prieto-Nieto, Juan Pedro Pérez-Robledo, Beatriz Díaz-San Andrés, Manuel Nistal, José Antonio Rodríguez-Montes 
World J Gastrointest Surg 6(12):248-252. Published online Dec 27, 2014. doi: 10.4240/wjgs.v6.i12.248