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Open-Access Journal
Editorial
Review
Jorge-Luis Torres, Ignacio Novo-Veleiro, Laura Manzanedo, Lucía Alvela-Suárez, Ronald Macías, Francisco-Javier Laso, Miguel Marcos 
World J Gastroenterol 24(36):4104-4118. Published online Sep 28, 2018. doi: 10.3748/wjg.v24.i36.4104
Minireviews
Giorgia Marisi, Alessandro Cucchetti, Paola Ulivi, Matteo Canale, Giuseppe Cabibbo, Leonardo Solaini, Francesco G Foschi, Serena De Matteis, Giorgio Ercolani, Martina Valgiusti, Giovanni L Frassineti, Mario Scartozzi, Andrea Casadei Gardini 
World J Gastroenterol 24(36):4152-4163. Published online Sep 28, 2018. doi: 10.3748/wjg.v24.i36.4152
Basic Study
Aldona Kasprzak, Elżbieta Siodła, Małgorzata Andrzejewska, Jacek Szmeja, Agnieszka Seraszek-Jaros, Szczepan Cofta, Witold Szaflarski 
World J Gastroenterol 24(36):4164-4177. Published online Sep 28, 2018. doi: 10.3748/wjg.v24.i36.4164
Retrospective Study
Prospective Study
Case Report