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Open-Access Journal
Retrospective Cohort Study
Marc Girardin, Antoine Hadengue, Jean-Louis Frossard, the Swiss IBD Cohort Study Group 
World J Clin Cases 6(4):44-53. Published online Apr 16, 2018. doi: 10.12998/wjcc.v6.i4.44
Observational Study
Lang Lin, Zai-Bo Wen, Dong-Jiao Lin, Jiang-Ting Dong, Jie Jin, Fei Meng 
World J Clin Cases 6(4):54-63. Published online Apr 16, 2018. doi: 10.12998/wjcc.v6.i4.54
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