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Open-Access Journal
Review
Minireviews
Retrospective Study
Santa Hattori, Mineo Iwatate, Wataru Sano, Noriaki Hasuike, Hidekazu Kosaka, Taro Ikumoto, Masahito Kotaka, Akihiro Ichiyanagi, Chikara Ebisutani, Yasuko Hisano, Takahiro Fujimori, Yasushi Sano 
World J Gastrointest Endosc 6(12):600-605. Published online Dec 16, 2014. doi: 10.4253/wjge.v6.i12.600
Clinical Trials Study
Prospective Study
Panagiotis Tsibouris, Chissostomos Kalantzis, Periklis Apostolopoulos, Antonios Zalonis, Peter Edward Thomas Isaacs, Mark Hendrickse, Georgios Alexandrakis 
World J Gastrointest Endosc 6(12):612-619. Published online Dec 16, 2014. doi: 10.4253/wjge.v6.i12.612
Case Report
Stefano Francesco Crinò, Giuseppe Scalisi, Pierluigi Consolo, Doriana Varvara, Antonio Bottari, Sebastiano Pantè, Socrate Pallio 
World J Gastrointest Endosc 6(12):620-624. Published online Dec 16, 2014. doi: 10.4253/wjge.v6.i12.620
Mika Takasumi, Takuto Hikichi, Tadayuki Takagi, Masaki Sato, Rei Suzuki, Ko Watanabe, Jun Nakamura, Mitsuru Sugimoto, Yuichi Waragai, Hitomi Kikuchi, Naoki Konno, Hiroshi Watanabe, Katsutoshi Obara, Hiromasa Ohira 
World J Gastrointest Endosc 6(12):630-634. Published online Dec 16, 2014. doi: 10.4253/wjge.v6.i12.630