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Wang N, Han F, Pan J, Yao G, Wang Y, Xu S, Xiao W, Ding Y, Xu C.Wang N, et al. Among authors: xu s, xu c.Arab J Gastroenterol. 2023 Nov;24(4):238-244. doi: 10.1016/j.ajg.2023.09.003. Epub 2023 Nov 21.Arab J Gastroenterol. 2023.PMID: 37989670Free article.
Li Y, Lu Y, Shen J, Xu C.Li Y, et al. Among authors: xu c.Am J Med Sci. 2017 Dec;354(6):548-552. doi: 10.1016/j.amjms.2017.07.010. Epub 2017 Jul 25.Am J Med Sci. 2017.PMID: 29208250
Xu CF, Huang XX, Shen YZ, Wang XP, Gong L, Wang YD.Xu CF, et al.Zhonghua Nei Ke Za Zhi. 2011 May;50(5):370-3.Zhonghua Nei Ke Za Zhi. 2011.PMID: 21624216Clinical Trial.Chinese.