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Open-Access Journal
Editorial
Monica Leon, Joseph Varon, Salim Surani 
World J Gastroenterol 22(20):4789-4793. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4789
Topic Highlight
Mariabeatrice Principi, Nicoletta Cassano, Antonella Contaldo, Andrea Iannone, Giuseppe Losurdo, Michele Barone, Mario Mastrolonardo, Gino Antonio Vena, Enzo Ierardi, Alfredo Di Leo 
World J Gastroenterol 22(20):4802-4811. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4802
Review
Mohammad Irshad, Priyanka Gupta, Dhananjay Singh Mankotia, Mohammad Ahmad Ansari 
World J Gastroenterol 22(20):4824-4834. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4824
Basic Study
Laszlo Szereday, Matyas Meggyes, Melinda Halasz, Julia Szekeres-Bartho, Alajos Par, Gabriella Par 
World J Gastroenterol 22(20):4848-4859. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4848
Laurence G Trahair, Thomas E Kimber, Katerina Flabouris, Michael Horowitz, Karen L Jones 
World J Gastroenterol 22(20):4860-4867. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4860
Ling Zeng, Hai-Yun Zhou, Na-Na Tang, Wei-Feng Zhang, Gui-Jun He, Bo Hao, Hong Zhu, Ya-Dong Feng 
World J Gastroenterol 22(20):4868-4880. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4868
Qiang Fu, Tao Qin, Lin Chen, Chuan-Jiang Liu, Xu Zhang, Yu-Zhu Wang, Ming-Xing Hu, Hao-Yuan Chu, Hong-Wei Zhang 
World J Gastroenterol 22(20):4881-4890. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4881
Retrospective Cohort Study
Davide Ippolito, Silvia Girolama Drago, Cammillo Talei Franzesi, Davide Fior, Sandro Sironi 
World J Gastroenterol 22(20):4891-4900. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4891
Retrospective Study
Ji Sook Park, Jae Sung Ko, Jeong Kee Seo, Jin Soo Moon, Sung Sup Park 
World J Gastroenterol 22(20):4901-4907. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4901
Jie Liu, Cheng-Wu Zhang, De-Fei Hong, Ran Tao, Yuan Chen, Min-Jie Shang, Yu-Hua Zhang 
World J Gastroenterol 22(20):4908-4917. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4908
Observational Study
Madhusudhan R Sanaka, Umar Hayat, Prashanthi N Thota, Ramprasad Jegadeesan, Monica Ray, Scott L Gabbard, Neha Wadhwa, Rocio Lopez, Mark E Baker, Sudish Murthy, Siva Raja 
World J Gastroenterol 22(20):4918-4925. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4918
Prospective Study
Anita Kiani, Vanessa Brun, Fabrice Lainé, Bruno Turlin, Jeff Morcet, Sophie Michalak, Antonia Le Gruyer, Ludivine Legros, Edouard Bardou-Jacquet, Yves Gandon, Romain Moirand 
World J Gastroenterol 22(20):4926-4935. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4926
Petra Minarikova, Lucie Benesova, Tereza Halkova, Barbora Belsanova, Stepan Suchanek, Jiri Cyrany, Inna Tuckova, Jan Bures, Miroslav Zavoral, Marek Minarik 
World J Gastroenterol 22(20):4936-4945. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4936
Systematic Reviews
Emma Altobelli, Francesco D’Aloisio, Paolo Matteo Angeletti 
World J Gastroenterol 22(20):4946-4957. Published online May 28, 2016. doi: 10.3748/wjg.v22.i20.4946
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