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Open-Access Journal
Review
Tasuku Matsuoka, Masakazu Yashiro 
World J Gastrointest Oncol 12(1):1-20. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.1
Jian Shen, Xiang Ma, Jing Yang, Jian-Ping Zhang 
World J Gastrointest Oncol 12(1):21-36. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.21
Minireviews
Xian-Ze Wang, Zi-Yang Zeng, Xin Ye, Juan Sun, Zi-Mu Zhang, Wei-Ming Kang 
World J Gastrointest Oncol 12(1):37-53. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.37
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
Miao Fang, Min Yao, Jie Yang, Wen-Jie Zheng, Li Wang, Deng-Fu Yao 
World J Gastrointest Oncol 12(1):66-76. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.66
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
Feng Duan, Yan-Hua Bai, Li Cui, Xiao-Hui Li, Jie-Yu Yan, Mao-Qiang Wang 
World J Gastrointest Oncol 12(1):92-100. Published online Jan 15, 2020. doi: 10.4251/wjgo.v12.i1.92
Evidence-Based Medicine
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