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Open-Access Journal
Review
Yoshihito Ohhara, Naoki Fukuda, Satoshi Takeuchi, Rio Honma, Yasushi Shimizu, Ichiro Kinoshita, Hirotoshi Dosaka-Akita 
World J Gastrointest Oncol 8(9):642-655. Published online Sep 15, 2016. doi: 10.4251/wjgo.v8.i9.642
Kazuya Matsumoto, Yohei Takeda, Takumi Onoyama, Soichiro Kawata, Hiroki Kurumi, Masaru Ueki, Norimasa Miura, Hajime Isomoto 
World J Gastrointest Oncol 8(9):656-662. Published online Sep 15, 2016. doi: 10.4251/wjgo.v8.i9.656
Minireviews
Francesca Aroldi, Paola Bertocchi, Giordano Savelli, Edoardo Rosso, Alberto Zaniboni 
World J Gastrointest Oncol 8(9):682-687. Published online Sep 15, 2016. doi: 10.4251/wjgo.v8.i9.682
Retrospective Cohort Study
Neil Vyas, Rafael Ching Companioni, Melik Tiba, Hassan Alkhawam, Carmine Catalano, Robert Sogomonian, Joel Baum, Aaron Walfish 
World J Gastrointest Oncol 8(9):688-694. Published online Sep 15, 2016. doi: 10.4251/wjgo.v8.i9.688
Retrospective Study
Mehmet Mihmanlı, Esin Kabul Gürbulak, İsmail Ethem Akgün, Mustafa Fevzi Celayir, Pınar Yazıcı, Deniz Tunçel, Tuba Tülin Bek, Ayhan Öz, Sinan Ömeroğlu 
World J Gastrointest Oncol 8(9):695-706. Published online Sep 15, 2016. doi: 10.4251/wjgo.v8.i9.695