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Jian-Xian Lin, Yi-Hui Tang, Jia-Bin Wang, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Chang-Ming Huang, Ping Li, Chao-Hui Zheng, Jian-Wei Xie 
World J Gastroenterol 25(41):6258-6272. Published online Nov 7, 2019. doi: 10.3748/wjg.v25.i41.6258
Observational Study