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Open-Access Journal
Editorial
Ignacio Bon, Ramon Bartolí, Vicente Lorenzo-Zúñiga 
World J Gastroenterol 23(21):3761-3764. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3761
Trond A Buanes 
World J Gastroenterol 23(21):3765-3770. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3765
Review
Anamaria Cozma-Petruţ, Felicia Loghin, Doina Miere, Dan Lucian Dumitraşcu 
World J Gastroenterol 23(21):3771-3783. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3771
Minireviews
Paraskevas Gkolfakis, Georgios Tziatzios, George D Dimitriadis, Konstantinos Triantafyllou 
World J Gastroenterol 23(21):3784-3796. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3784
Akira Sakamaki, Kenya Kamimura, Satoshi Abe, Atsunori Tsuchiya, Masaaki Takamura, Hirokazu Kawai, Satoshi Yamagiwa, Shuji Terai 
World J Gastroenterol 23(21):3797-3804. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3797
Basic Study
Yi Tan, Jane Kim, Jing Cheng, Madeleine Ong, Wei-Guo Lao, Xing-Liang Jin, Yi-Guang Lin, Linda Xiao, Xue-Qiong Zhu, Xian-Qin Qu 
World J Gastroenterol 23(21):3805-3814. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3805
Bogna Świątek-Kościelna, Ewelina Kałużna, Ewa Strauss, Jerzy Nowak, Iwona Bereszyńska, Ewelina Gowin, Jacek Wysocki, Jolanta Rembowska, Dominika Barcińska, Iwona Mozer-Lisewska, Danuta Januszkiewicz-Lewandowska 
World J Gastroenterol 23(21):3815-3824. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3815
Kyung-Jo Kim, Ki Bae Kim, Soon Man Yoon, Joung-Ho Han, Hee Bok Chae, Seon Mee Park, Sei Jin Youn 
World J Gastroenterol 23(21):3825-3831. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3825
Ting-Ting Feng, Ting Zou, Xin Wang, Wei-Feng Zhao, Ai-Lan Qin 
World J Gastroenterol 23(21):3832-3838. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3832
Xian Zhang, Wei Jiang, Ai-Ling Zhou, Min Zhao, Dao-Rong Jiang 
World J Gastroenterol 23(21):3839-3849. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3839
Li-Xuan Sang, Bing Chang, Jun-Feng Zhu, Fang-Li Yang, Yan Li, Xue-Feng Jiang, Da-Nan Wang, Chang-Long Lu, Xun Sun 
World J Gastroenterol 23(21):3850-3863. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3850
Case Control Study
Moustafa Nouh Elemeery, Ahmed Noah Badr, Marwa Anwar Mohamed, Doaa Ahmed Ghareeb 
World J Gastroenterol 23(21):3864-3875. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3864
Retrospective Study
Murat Torgutalp, Cumali Efe, Hakan Babaoglu, Taylan Kav 
World J Gastroenterol 23(21):3876-3882. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3876
Prospective Study
Ammar Hassanzadeh Keshteli, Floris F van den Brand, Karen L Madsen, Rupasri Mandal, Rosica Valcheva, Karen I Kroeker, Beomsoo Han, Rhonda C Bell, Janis Cole, Thomas Hoevers, David S Wishart, Richard N Fedorak, Levinus A Dieleman 
World J Gastroenterol 23(21):3890-3899. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3890
Ya-Hong Xue, Shu-Qing Ding, Yi-Jiang Ding, Li-Qun Pan 
World J Gastroenterol 23(21):3900-3906. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3900
Randomized Controlled Trial
Jun Yao, Lu-Lin Zhang, Xu-Mei Huang, Wen-Yao Li, She-Gan Gao 
World J Gastroenterol 23(21):3907-3914. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3907
Systematic Reviews
Alexandre Canon Boronat, Ana Paula Ferreira-Maia, Alicia Matijasevich, Yuan-Pang Wang 
World J Gastroenterol 23(21):3915-3927. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3915
Case Report
Hiromi Tamura, Hirotsugu Saiki, Takahiro Amano, Masashi Yamamoto, Shiro Hayashi, Hiroka Ando, Reiko Doi, Tsutomu Nishida, Katsumi Yamamoto, Shiro Adachi 
World J Gastroenterol 23(21):3928-3933. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3928
Zong-Ming Zhang, Xiang-Chun Lin, Li Ma, An-Qin Jin, Fang-Cai Lin, Zhuo Liu, Li-Min Liu, Chong Zhang, Na Zhang, Li-Juan Huo, Xue-Liang Jiang, Feng Kang, Hong-Jun Qin, Qiu-Yang Li, Hong-Wei Yu, Hai Deng, Ming-Wen Zhu, Zi-Xu Liu, Bai-Jiang Wan, Hai-Yan Yang, Jia-Hong Liao, Xu Luo, You-Wei Li, Wen-Ping Wei, Meng-Meng Song, Yue Zhao, Xue-Ying Shi, Zhao-Hui Lu 
World J Gastroenterol 23(21):3934-3944. Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3934
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