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Open-Access Journal
Editorial
Laurino Grossi, Antonio Francesco Ciccaglione, Leonardo Marzio 
World J Gastroenterol 23(17):3011-3016. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3011
Hampig Raphael Kourie, Samer Tabchi, Marwan Ghosn 
World J Gastroenterol 23(17):3017-3021. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3017
Frontier
Fergal C Kelleher, Grainne Callaghan, Catriona Gallagher, Hazel O’Sullivan 
World J Gastroenterol 23(17):3022-3029. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3022
Review
Arturo Panduro, Ingrid Rivera-Iñiguez, Maricruz Sepulveda-Villegas, Sonia Roman 
World J Gastroenterol 23(17):3030-3042. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3030
Chao-Chao Qin, Yan-Ning Liu, Ying Hu, Ying Yang, Zhi Chen 
World J Gastroenterol 23(17):3043-3052. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3043
Basic Study
Qi Xin, Na Zhang, Hai-Bo Yu, Qin Zhang, Yan-Fen Cui, Chuan-Shan Zhang, Zhe Ma, Yan Yang, Wei Liu 
World J Gastroenterol 23(17):3053-3065. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3053
Retrospective Cohort Study
Salvatore Paiella, Matteo De Pastena, Tommaso Pollini, Giovanni Zancan, Debora Ciprani, Giulia De Marchi, Luca Landoni, Alessandro Esposito, Luca Casetti, Giuseppe Malleo, Giovanni Marchegiani, Massimiliano Tuveri, Enrico Marrano, Laura Maggino, Erica Secchettin, Deborah Bonamini, Claudio Bassi, Roberto Salvia 
World J Gastroenterol 23(17):3077-3083. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3077
Retrospective Study
Johanna Wilmsen, Robert Baumbach, Dietmar Stüker, Vincens Weingart, Frank Neser, Stefan Karl Gölder, Christof Pfundstein, Ellen Claudia Nötzel, Thomas Rösch, Siegbert Faiss 
World J Gastroenterol 23(17):3084-3091. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3084
Salvatore Paiella, Harmony Impellizzeri, Elisabetta Zanolin, Giovanni Marchegiani, Marco Miotto, Anna Malpaga, Riccardo De Robertis, Mirko D'Onofrio, Borislav Rusev, Paola Capelli, Sara Cingarlini, Giovanni Butturini, Maria Vittoria Davì, Antonio Amodio, Claudio Bassi, Aldo Scarpa, Roberto Salvia, Luca Landoni 
World J Gastroenterol 23(17):3092-3098. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3092
Carlos Jiménez-Romero, Felix Cambra, Oscar Caso, Alejandro Manrique, Jorge Calvo, Alejandro Marcacuzco, Paula Rioja, David Lora, Iago Justo 
World J Gastroenterol 23(17):3099-3110. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3099
Yoshiteru Hao, Kazushi Numata, Tomohiro Ishii, Hiroyuki Fukuda, Shin Maeda, Masayuki Nakano, Katsuaki Tanaka 
World J Gastroenterol 23(17):3111-3121. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3111
Shao-Hua Li, Qiao-Xuan Wang, Zhong-Yuan Yang, Wu Jiang, Cong Li, Peng Sun, Wei Wei, Ming Shi, Rong-Ping Guo 
World J Gastroenterol 23(17):3122-3132. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3122
Clinical Trials Study
Observational Study
Alban Zarzavadjian Le Bian, David Fuks, Sophie Chopinet, Sébastien Gaujoux, Manuela Cesaretti, Renato Costi, Ajay P Belgaumkar, Claude Smadja, Brice Gayet 
World J Gastroenterol 23(17):3142-3149. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3142
Chiara Gelli, Mirko Tarocchi, Ludovico Abenavoli, Laura Di Renzo, Andrea Galli, Antonino De Lorenzo 
World J Gastroenterol 23(17):3150-3162. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3150
Prospective Study
Marcelo Soto, Laura Sampietro-Colom, Luis Lasalvia, Aurea Mira, Wladimiro Jiménez, Miquel Navasa 
World J Gastroenterol 23(17):3163-3173. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3163
Francisco Baldaque-Silva, Michael Vieth, Mumen Debel, Bengt Håkanson, Anders Thorell, Nuno Lunet, Huan Song, Miguel Mascarenhas-Saraiva, Gisela Pereira, Lars Lundell, Hanns-Ulrich Marschall 
World J Gastroenterol 23(17):3174-3183. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3174
Chen Du, Ning-Li Chai, En-Qiang Linghu, Hui-Kai Li, Li-Hua Sun, Lei Jiang, Xiang-Dong Wang, Ping Tang, Jing Yang 
World J Gastroenterol 23(17):3184-3192. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3184
Letter to the Editor
Eugene Lipov, Ken Candido 
World J Gastroenterol 23(17):3193-3194. Published online May 7, 2017. doi: 10.3748/wjg.v23.i17.3193
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