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Open-Access Journal
Minireviews
Basic Study
Case Control Study
Gian Luca Baiocchi, Sarah Molfino, Carla Baronchelli, Simone Giacopuzzi, Daniele Marrelli, Paolo Morgagni, Maria Bencivenga, Luca Saragoni, Carla Vindigni, Nazario Portolani, Maristella Botticini, Giovanni De Manzoni 
World J Gastroenterol 23(45):8000-8007. Published online Dec 7, 2017. doi: 10.3748/wjg.v23.i45.8000
Retrospective Cohort Study
Nam-Joon Yi, Min-Su Park, Eun Young Song, Hye Young Ahn, Jeik Byun, Hyeyoung Kim, Suk Kyun Hong, Kyungchul Yoon, Hyo-Sin Kim, Sung-Woo Ahn, Hae Won Lee, YoungRok Choi, Kwang-Woong Lee, Kyung-Suk Suh, Myoung Hee Park 
World J Gastroenterol 23(45):8017-8026. Published online Dec 7, 2017. doi: 10.3748/wjg.v23.i45.8017
Retrospective Study
Observational Study
Prospective Study
Randomized Clinical Trial
Systematic Review
Meta-Analysis
Case Report
Ioannis Mantzoros, Natalia Antigoni Savvala, Orestis Ioannidis, Styliani Parpoudi, Lydia Loutzidou, Despoina Kyriakidou, Angeliki Cheva, Vasileios Intzos, Konstantinos Tsalis 
World J Gastroenterol 23(45):8090-8096. Published online Dec 7, 2017. doi: 10.3748/wjg.v23.i45.8090
Kenichi Yoshikawa, Akiyoshi Kinoshita, Yuki Hirose, Keiko Shibata, Takafumi Akasu, Noriko Hagiwara, Takeharu Yokota, Nami Imai, Akira Iwaku, Go Kobayashi, Hirohiko Kobayashi, Nao Fushiya, Hiroyuki Kijima, Kazuhiko Koike, Haruka Kaneyama, Keiichi Ikeda, Masayuki Saruta 
World J Gastroenterol 23(45):8097-8103. Published online Dec 7, 2017. doi: 10.3748/wjg.v23.i45.8097