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Open-Access Journal
Opinion Review
Review
Li-Jun Wu, Zi-Yan Chen, Yi Wang, Jun-Gang Zhao, Xiao-Zai Xie, Gang Chen 
World J Gastroenterol 25(16):1913-1927. Published online Apr 28, 2019. doi: 10.3748/wjg.v25.i16.1913
Minireviews
Basic Study
Wen-Tao Wang, Xue-Qi Zhao, Gui-Ping Li, Yi-Zhi Chen, Lin Wang, Mei-Fang Han, Wei-Na Li, Tao Chen, Guang Chen, Dong Xu, Qin Ning, Xi-Ping Zhao 
World J Gastroenterol 25(16):1950-1963. Published online Apr 28, 2019. doi: 10.3748/wjg.v25.i16.1950
Retrospective Study
Observational Study
Case Report
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