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Open-Access Journal
Review
Akshita Gupta, Srishti Saha, Sahil Khanna 
World J Gastroenterol 26(8):777-788. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.777
Basic Study
Long Pan, Jing Fang, Ming-Yu Chen, Shu-Ting Zhai, Bin Zhang, Zhi-Yu Jiang, Sarun Juengpanich, Yi-Fan Wang, Xiu-Jun Cai 
World J Gastroenterol 26(8):789-803. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.789
Han-Zhang Zhu, Wei-Jiang Zhou, Ya-Feng Wan, Ke Ge, Jun Lu, Chang-Ku Jia 
World J Gastroenterol 26(8):804-817. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.804
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
Long-Qi Chen, Yong Yuan, Yun Wang, Yang Hu, Wen-Ping Wang, Wei-Peng Hu, Yi-Min Gu, Song-Lin He, Qi-Xin Shang, Jia-Nan Duan, Yu-Shang Yang, Han-Lu Zhang 
World J Gastroenterol 26(8):839-849. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.839
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
You-Wei Chen, Jiang-Feng Tu, Wen-Juan Shen, Wan-Yuan Chen, Jie Dong 
World J Gastroenterol 26(8):877-882. Published online Feb 28, 2020. doi: 10.3748/wjg.v26.i8.877
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