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Open-Access Journal
Editorial
Youssef Alhmada, Denis Selimovic, Fadi Murad, Sarah-Lilly Hassan, Youssef Haikel, Mossaad Megahed, Matthias Hannig, Mohamed Hassan 
World J Gastroenterol 23(5):743-750. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.743
Review
Basic Study
Yu Shi, Kun Dong, Yu-Guo Zhang, René P Michel, Victoria Marcus, Yu-Yue Wang, Yu Chen, Zu-Hua Gao 
World J Gastroenterol 23(5):792-799. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.792
Ning He, Jun-Jun Jia, Jian-Hui Li, Yan-Fei Zhou, Bing-Yi Lin, Yi-Fan Peng, Jun-Jie Chen, Tian-Chi Chen, Rong-Liang Tong, Li Jiang, Hai-Yang Xie, Lin Zhou, Shu-Sen Zheng 
World J Gastroenterol 23(5):830-841. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.830
Retrospective Cohort Study
Retrospective Study
Yasuharu Onishi, Hiroyuki Kimura, Tomohide Hori, Shinichi Kishi, Hideya Kamei, Nobuhiko Kurata, Chisato Tsuboi, Naoko Yamaguchi, Mayu Takahashi, Saki Sunada, Mitsuaki Hirano, Hiroshige Fujishiro, Takashi Okada, Masatoshi Ishigami, Hidemi Goto, Norio Ozaki, Yasuhiro Ogura 
World J Gastroenterol 23(5):869-875. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.869
Clinical Trials Study
Ai-Ru Hsieh, Cathy SJ Fann, Chau-Ting Yeh, Hung-Chun Lin, Shy-Yi Wan, Yi-Cheng Chen, Chia-Lin Hsu, Jennifer Tai, Shi-Ming Lin, Dar-In Tai 
World J Gastroenterol 23(5):876-884. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.876
Observational Study
Alexander Swidsinski, Yvonne Dörffel, Vera Loening-Baucke, Christoph Gille, Anne Reißhauer, Onder Göktas, Monika Krüger, Jürgen Neuhaus, Wieland Schrödl 
World J Gastroenterol 23(5):885-890. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.885
Hirotaka Konishi, Kazuma Okamoto, Katsutoshi Shoda, Tomohiro Arita, Toshiyuki Kosuga, Ryo Morimura, Shuhei Komatsu, Yasutoshi Murayama, Atsushi Shiozaki, Yoshiaki Kuriu, Hisashi Ikoma, Masayoshi Nakanishi, Daisuke Ichikawa, Hitoshi Fujiwara, Eigo Otsuji 
World J Gastroenterol 23(5):891-898. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.891
Prospective Study
Luciano Tarantino, Giuseppina Busto, Aurelio Nasto, Raffaele Fristachi, Luigi Cacace, Maria Talamo, Catello Accardo, Sara Bortone, Paolo Gallo, Paolo Tarantino, Riccardo Aurelio Nasto, Matteo Nicola Dario Di Minno, Pasquale Ambrosino 
World J Gastroenterol 23(5):906-918. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.906
Case Report
Seung Kak Shin, Kyoung Oh Kim, Eui Joo Kim, Su Young Kim, Jung Ho Kim, Yoon Jae Kim, Jun-Won Chung, Kwang An Kwon, Dong Kyun Park 
World J Gastroenterol 23(5):926-930. Published online Feb 7, 2017. doi: 10.3748/wjg.v23.i5.926