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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
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