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Open-Access Journal
Review
Juan Manuel Sanchez-Hidalgo, Manuel Duran-Martinez, Rafael Molero-Payan, Sebastian Rufian-Peña, Alvaro Arjona-Sanchez, Angela Casado-Adam, Antonio Cosano-Alvarez, Javier Briceño-Delgado 
World J Gastroenterol 24(18):1925-1941. Published online May 14, 2018. doi: 10.3748/wjg.v24.i18.1925
Minireviews
Basic Study
Runar J Strand-Amundsen, Henrik M Reims, Finn P Reinholt, Tom E Ruud, Runkuan Yang, Jan O Høgetveit, Tor I Tønnessen 
World J Gastroenterol 24(18):2009-2023. Published online May 14, 2018. doi: 10.3748/wjg.v24.i18.2009
Clinical Trials Study
Observational Study
Neera Gupta, Robert H Lustig, Cewin Chao, Eric Vittinghoff, Howard Andrews, Cheng-Shiun Leu 
World J Gastroenterol 24(18):2036-2046. Published online May 14, 2018. doi: 10.3748/wjg.v24.i18.2036