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Open-Access Journal
Review
Qing-Bin Meng, Jing-Jing Peng, Zi-Wei Qu, Xiao-Min Zhu, Zhang Wen, Wei-Ming Kang 
World J Gastrointest Oncol 11(6):449-458. Published online Jun 15, 2019. doi: 10.4251/wjgo.v11.i6.449
Ke-Wei Wang, Ming Dong 
World J Gastrointest Oncol 11(6):459-469. Published online Jun 15, 2019. doi: 10.4251/wjgo.v11.i6.459
Basic Study
Richard L Whelan, Geoffrey A Bellini, Nipa Dilip Gandhi, Vesna Cekic, Erica Pettke, Xiao-Hong Yan, HMC Shantha Kumara 
World J Gastrointest Oncol 11(6):470-488. Published online Jun 15, 2019. doi: 10.4251/wjgo.v11.i6.470
Retrospective Cohort Study
Wen-Heng Zheng, Tao Yu, Ya-Hong Luo, Ying Wang, Ye-Fu Liu, Xiang-Dong Hua, Jie Lin, Zuo-Hong Ma, Fu-Lu Ai, Tian-Lu Wang 
World J Gastrointest Oncol 11(6):489-498. Published online Jun 15, 2019. doi: 10.4251/wjgo.v11.i6.489
Retrospective Study
Guang-Chuan Mu, Yuan Huang, Zhi-Ming Liu, Zhi-Bai Chen, Xiang-Hua Wu, Xin-Gan Qin, Yan-Jun Zeng 
World J Gastrointest Oncol 11(6):499-508. Published online Jun 15, 2019. doi: 10.4251/wjgo.v11.i6.499
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