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Open-Access Journal
Editorial
Original Article
Michiya Kobayashi, Shoichi Hazama, Kenichi Takahashi, Koji Oba, Naoko Okayama, Mitsuaki Nishioka, Yuji Hinoda, Masaaki Oka, Ken Okamoto, Hiromichi Maeda, Daisuke Nakamura, Junichi Sakamoto, Hideyuki Mishima 
World J Gastrointest Oncol 4(7):170-175. Published online Jul 15, 2012. doi: 10.4251/wjgo.v4.i7.170
Brief Article
Kei Horino, Hiroshi Takamori, Yoshiaki Ikuta, Osamu Nakahara, Akira Chikamoto, Takatoshi Ishiko, Toru Beppu, Hideo Baba 
World J Gastrointest Oncol 4(7):176-180. Published online Jul 15, 2012. doi: 10.4251/wjgo.v4.i7.176
Case Report
Shweta Kurian, Jessica Macintyre, Muzammil Mushtaq, Caio Max Rocha-Lima, Yeon Ahn 
World J Gastrointest Oncol 4(7):181-183. Published online Jul 15, 2012. doi: 10.4251/wjgo.v4.i7.181