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Open-Access Journal
Review
Minireviews
Antonio Sciuto, Giovanni Merola, Giovanni D De Palma, Maurizio Sodo, Felice Pirozzi, Umberto M Bracale, Umberto Bracale 
World J Gastroenterol 24(21):2247-2260. Published online Jun 7, 2018. doi: 10.3748/wjg.v24.i21.2247
Kazuma Sekiba, Motoyuki Otsuka, Motoko Ohno, Mari Yamagami, Takahiro Kishikawa, Tatsunori Suzuki, Rei Ishibashi, Takahiro Seimiya, Eri Tanaka, Kazuhiko Koike 
World J Gastroenterol 24(21):2261-2268. Published online Jun 7, 2018. doi: 10.3748/wjg.v24.i21.2261
Basic Study
Retrospective Study
Clinical Trials Study
Prospective Study
Meta-Analysis
László Szapáry, Benedek Tinusz, Nelli Farkas, Katalin Márta, Lajos Szakó, Ágnes Meczker, Roland Hágendorn, Judit Bajor, Áron Vincze, Zoltán Gyöngyi, Alexandra Mikó, Dezső Csupor, Péter Hegyi, Bálint Erőss 
World J Gastroenterol 24(21):2311-2319. Published online Jun 7, 2018. doi: 10.3748/wjg.v24.i21.2311
Case Report