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Open-Access Journal
Review
Basic Study
Retrospective Study
Shuai-Shuai Xu, Shuo Li, Hua-Xiang Xu, Hao Li, Chun-Tao Wu, Wen-Quan Wang, He-Li Gao, Wang Jiang, Wu-Hu Zhang, Tian-Jiao Li, Quan-Xing Ni, Liang Liu, Xian-Jun Yu 
World J Gastroenterol 26(8):828-838. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.828
Observational Study
Zi-Xu Yuan, Qi-Yuan Qin, Miao-Miao Zhu, Qing-Hua Zhong, Alessandro Fichera, Hui Wang, Huai-Ming Wang, Xiao-Yan Huang, Wu-Teng Cao, Ye-Biao Zhao, Lei Wang, Teng-Hui Ma 
World J Gastroenterol 26(8):850-864. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.850
Meta-Analysis
Case Report