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Open-Access Journal
Review
Minireviews
Basic Study
Yao-Yao Bian, Li-Li Yang, Yan Yan, Min Zhao, Yan-Qi Chen, Ya-Qi Zhou, Zi-Xin Wang, Wen-Lin Li, Li Zeng 
World J Gastrointest Oncol 12(1):54-65. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.54
Case Control Study
Retrospective Study
Jonathan D Mizrahi, Valerie Gunchick, Kabir Mody, Lianchun Xiao, Phanikeerthi Surapaneni, Rachna T Shroff, Vaibhav Sahai 
World J Gastrointest Oncol 12(1):83-91. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.83
Evidence-Based Medicine
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