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Tang C, Zhu Y, Yang X, Xu B, Ye C, Yang Y, Zhong J, Zhao Q, Yu L.Tang C, et al.J Gastroenterol Hepatol. 2020 Oct;35(10):1720-1730. doi: 10.1111/jgh.15030. Epub 2020 Mar 23.J Gastroenterol Hepatol. 2020.PMID: 32154936Clinical Trial.
Zhu Y, Wang X, Yang Y, Liu L, Zhao Q, Yu L.Zhu Y, et al.Trials. 2022 Jul 15;23(1):569. doi: 10.1186/s13063-022-06464-w.Trials. 2022.PMID: 35840999Free PMC article.