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Open-Access Journal
Review
Minireviews
Basic Study
Case Control Study
Thorsten Brechmann, Katharina Günther, Matthias Neid, Wolff Schmiegel, Andrea Tannapfel 
World J Gastroenterol 25(8):967-979. Published online Feb 28, 2019. doi: 10.3748/wjg.v25.i8.967
Retrospective Study
Observational Study
Evidence-Based Medicine
Luo-Wei Wang, Han Lin, Lei Xin, Wei Qian, Tian-Jiao Wang, Jian-Zhong Zhang, Qian-Qian Meng, Bo Tian, Xu-Dong Ma, Zhao-Shen Li 
World J Gastroenterol 25(8):1024-1030. Published online Feb 28, 2019. doi: 10.3748/wjg.v25.i8.1024
Case Report
Paul Girot, Catherine Le Berre, Astrid De Maissin, Marie Freyssinet, Caroline Trang-Poisson, Arnaud Bourreille 
World J Gastroenterol 25(8):1031-1036. Published online Feb 28, 2019. doi: 10.3748/wjg.v25.i8.1031