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Open-Access Journal
Editorial
Review
Minireviews
Basic Study
Jin-Hua Liu, Dan-Yang Liu, Li Wang, Li-Ping Han, Zhe-Yu Qi, Hai-Jun Ren, Yan Feng, Feng-Ming Luan, Liang-Tian Mi, Shu-Mei Shan 
World J Gastroenterol 23(20):3684-3689. Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3684
Retrospective Cohort Study
Retrospective Study
Observational Study
Prospective Study
Meta-Analysis
Case Report
Nobuhisa Takase, Keisuke Fukui, Takafumi Tani, Tohru Nishimura, Tomohiro Tanaka, Naoki Harada, Kimihiko Ueno, Manabu Takamatsu, Akihiko Nishizawa, Akiharu Okamura, Kunihiko Kaneda 
World J Gastroenterol 23(20):3752-3757. Published online May 28, 2017. doi: 10.3748/wjg.v23.i20.3752
Letters To The Editor