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Open-Access Journal
Editorial
Review
Minireviews
Basic Study
Chie Takasu, Nosratola D Vaziri, Shiri Li, Lourdes Robles, Kelly Vo, Mizuki Takasu, Christine Pham, Seyed H Farzaneh, Mitsuo Shimada, Michael J Stamos, Hirohito Ichii 
World J Gastroenterol 23(25):4508-4516. Published online Jul 7, 2017. doi: 10.3748/wjg.v23.i25.4508
Gilmara Pandolfo Zabot, Gustavo Franco Carvalhal, Norma Possa Marroni, Francielli Licks, Renata Minuzzo Hartmann, Vinícius Duval da Silva, Henrique Sarubbi Fillmann 
World J Gastroenterol 23(25):4529-4537. Published online Jul 7, 2017. doi: 10.3748/wjg.v23.i25.4529
Retrospective Cohort Study
Retrospective Study
Yu-Jung Chen, Kai-Wen Chen, Yu-Leung Shih, Fang-Ying Su, Yen-Po Lin, Fan-Chun Meng, Felicia Lin, Yun-Shun Yu, Chih-Lu Han, Chih-Hung Wang, Jia-Wei Lin, Tsai-Yuan Hsieh, Yi-Hwei Li, Gen-Min Lin 
World J Gastroenterol 23(25):4587-4594. Published online Jul 7, 2017. doi: 10.3748/wjg.v23.i25.4587
Observational Study
Loris Pironi, Mariacristina Guidetti, Ornella Verrastro, Claudia Iacona, Federica Agostini, Caterina Pazzeschi, Anna Simona Sasdelli, Michele Melchiorre, Carla Ferreri 
World J Gastroenterol 23(25):4604-4614. Published online Jul 7, 2017. doi: 10.3748/wjg.v23.i25.4604
Randomized Controlled Trial
Evidence-Based Medicine
Systematic Reviews
Marco Fiore, Alberto Enrico Maraolo, Ivan Gentile, Guglielmo Borgia, Sebastiano Leone, Pasquale Sansone, Maria Beatrice Passavanti, Caterina Aurilio, Maria Caterina Pace 
World J Gastroenterol 23(25):4654-4660. Published online Jul 7, 2017. doi: 10.3748/wjg.v23.i25.4654