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Open-Access Journal
Opinion Review
Edoardo Troncone, Alessandro Fugazza, Annalisa Cappello, Giovanna Del Vecchio Blanco, Giovanni Monteleone, Alessandro Repici, Anthony Yuen Bun Teoh, Andrea Anderloni 
World J Gastroenterol 26(16):1847-1860. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1847
Review
Jawaher Alharthi, Olivier Latchoumanin, Jacob George, Mohammed Eslam 
World J Gastroenterol 26(16):1861-1878. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1861
Minireviews
Katherine Roth, Jenna Strickland, Bryan L Copple 
World J Gastroenterol 26(16):1879-1887. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1879
Federico Piñero, Marcelo Silva, Massimo Iavarone 
World J Gastroenterol 26(16):1888-1900. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1888
Hui-Ting Chen, Hong-Li Huang, Yong-Qiang Li, Hao-Ming Xu, Yong-Jian Zhou 
World J Gastroenterol 26(16):1901-1911. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1901
Basic Study
Tsvetelina Veselinova Velikova, Lyuba Miteva, Noyko Stanilov, Zoya Spassova, Spaska Angelova Stanilova 
World J Gastroenterol 26(16):1912-1925. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1912
Zhi Zhang, Fu-Xiao Duan, Guo-Li Gu, Peng-Fei Yu 
World J Gastroenterol 26(16):1926-1937. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1926
Retrospective Study
Elodie Fallet, Michel Rayar, Amandine Landrieux, Christophe Camus, Pauline Houssel-Debry, Caroline Jezequel, Ludivine Legros, Thomas Uguen, Martine Ropert-Bouchet, Karim Boudjema, Dominique Guyader, Edouard Bardou-Jacquet 
World J Gastroenterol 26(16):1938-1949. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1938
Observational Study
Marcello Maida, Emanuele Sinagra, Gaetano Cristian Morreale, Sandro Sferrazza, Giuseppe Scalisi, Dario Schillaci, Marco Ventimiglia, Fabio Salvatore Macaluso, Giovanni Vettori, Giuseppe Conoscenti, Concetta Di Bartolo, Serena Garufi, Domenico Catarella, Michele Manganaro, Clara Maria Virgilio, Salvatore Camilleri 
World J Gastroenterol 26(16):1950-1961. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1950
Randomized Clinical Trial
Timo Rath, Lukas Pfeifer, Clemens Neufert, Andreas Kremer, Moritz Leppkes, Arthur Hoffman, Markus F Neurath, Steffen Zopf 
World J Gastroenterol 26(16):1962-1970. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1962
Case Report
Helene Hjorth Vindum, Jørgen S Agnholt, Anders Winther Moelby Nielsen, Mette Bak Nielsen, Henrik Schmidt 
World J Gastroenterol 26(16):1971-1978. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1971
Apolonia Novillo, María Gaibar, Alicia Romero-Lorca, María Fuencisla Gilsanz, Laura Beltrán, Miguel Galán, Beatriz Antón, Diego Malón, Amalia Moreno, Ana Fernández-Santander 
World J Gastroenterol 26(16):1979-1986. Published online Apr 28, 2020. doi: 10.3748/wjg.v26.i16.1979
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