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Open-Access Journal
Editorial
Delia Cortes-Guiral, Dominique Elias, Pedro Antonio Cascales-Campos, Alfredo Badía Yébenes, Ismael Guijo Castellano, Ana Isabel León Carbonero, José Ignacio Martín Valadés, Jesus Garcia-Foncillas, Damian Garcia-Olmo 
World J Gastroenterol 23(3):377-381. Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.377
Review
Minireviews
Basic Study
Anastassios C Manolakis, Gregory Christodoulidis, Andreas N Kapsoritakis, Panagiotis Georgoulias, Elisavet K Tiaka, Kostas Oikonomou, Varvara J Valotassiou, Spyros P Potamianos 
World J Gastroenterol 23(3):437-446. Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.437
Retrospective Cohort Study
Masaaki Noguchi, Tomonori Yano, Tomoji Kato, Tomohiro Kadota, Maomi Imajoh, Hiroyuki Morimoto, Shozo Osera, Atsushi Yagishita, Tomoyuki Odagaki, Yusuke Yoda, Yasuhiro Oono, Hiroaki Ikematsu, Kazuhiro Kaneko 
World J Gastroenterol 23(3):478-485. Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.478
Retrospective Study
Observational Study
Prospective Study
Han-Ting Zhu, Da-Shan Ai, Hua-Rong Tang, Harun Badakhshi, Jian-Hong Fan, Jia-Ying Deng, Jun-Hua Zhang, Yun Chen, Zhen Zhang, Yi Xia, Xiao-Mao Guo, Guo-Liang Jiang, Kuai-Le Zhao 
World J Gastroenterol 23(3):540-546. Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.540
Case Report
Hisanobu Higashi, Hideaki Obara, Kei Miyakoshi, Masahiro Shinoda, Minoru Kitago, Naoki Shimojima, Yuta Abe, Taizo Hibi, Hiroshi Yagi, Kentaro Matsubara, Yohei Yamada, Osamu Itano, Ken Hoshino, Tatsuo Kuroda, Yuko Kitagawa 
World J Gastroenterol 23(3):547-550. Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.547
Letter To The Editor