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Open-Access Journal
Retrospective Study
Teruo Komokata, Mikio Fukueda, Mamoru Kaieda, Takayuki Ueno, Yoshihumi Iguro, Yutaka Imoto, Ryuzo Sakata 
World J Gastrointest Surg 6(8):146-150. Published online Aug 27, 2014. doi: 10.4240/wjgs.v6.i8.146
Observational Study
Jeik Byun, Hyun Young Kim, Seung Yeon Noh, Soo Hong Kim, Sung Eun Jung, Seong Cheol Lee, Kwi Won Park 
World J Gastrointest Surg 6(8):151-155. Published online Aug 27, 2014. doi: 10.4240/wjgs.v6.i8.151
Case Report
Geert AAM Simkens, Simon W Nienhuijs, Misha DP Luyer, Ignace HJT de Hingh 
World J Gastrointest Surg 6(8):160-163. Published online Aug 27, 2014. doi: 10.4240/wjgs.v6.i8.160
Yasuhiro Matsuda, Masahiko Yano, Norikatsu Miyoshi, Shingo Noura, Masayuki Ohue, Keijiro Sugimura, Masaaki Motoori, Kentaro Kishi, Yoshiyuki Fujiwara, Kunihito Gotoh, Shigeru Marubashi, Hirofumi Akita, Hidenori Takahashi, Masato Sakon 
World J Gastrointest Surg 6(8):164-168. Published online Aug 27, 2014. doi: 10.4240/wjgs.v6.i8.164