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Open-Access Journal
Minireviews
Basic Study
Retrospective Study
Joana Ribeiro, Andreia Oliveira, Mariana Malta, Claudia Oliveira, Fernanda Silva, Ana Galaghar, Luís Pedro Afonso, Maria Cassiano Neves, Rui Medeiros, Pedro Pimentel-Nunes, Hugo Sousa 
World J Gastroenterol 23(40):7292-7302. Published online Oct 28, 2017. doi: 10.3748/wjg.v23.i40.7292
Observational Study
Kelly L Hayward, Patricia C Valery, Jennifer H Martin, Antara Karmakar, Preya J Patel, Leigh U Horsfall, Caroline J Tallis, Katherine A Stuart, Penny L Wright, David D Smith, Katharine M Irvine, Elizabeth E Powell, W Neil Cottrell 
World J Gastroenterol 23(40):7321-7331. Published online Oct 28, 2017. doi: 10.3748/wjg.v23.i40.7321
Case Report
Noriki Okada, Yukihiro Sanada, Taizen Urahashi, Yoshiyuki Ihara, Naoya Yamada, Yuta Hirata, Takumi Katano, Kentaro Ushijima, Shinya Otomo, Shujiro Fujita, Koichi Mizuta 
World J Gastroenterol 23(40):7337-7342. Published online Oct 28, 2017. doi: 10.3748/wjg.v23.i40.7337
Letters To The Editor