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Cao Y, Zhan H, Pang J, Li F, Xu S, Gao J, Xu Z, Li G, Liu T, Guo C, Shi Y.Cao Y, et al.Trials. 2011 Jun 22;12:160. doi: 10.1186/1745-6215-12-160.Trials. 2011.PMID: 21696615Free PMC article.Clinical Trial.
Wang X, Cao Y, Pang J, Du J, Guo C, Liu T, Wei S, Zheng Y, Chen R, Zhan H.Wang X, et al.Evid Based Complement Alternat Med. 2012;2012:171706. doi: 10.1155/2012/171706. Epub 2012 Feb 12.Evid Based Complement Alternat Med. 2012.PMID: 22454655Free PMC article.
Zhang JW, Guo CQ, Zhu SS, Nabi G, Dai N, Wan XY, Liu P, Zhang FB, Fu Y, Cao XG.Zhang JW, et al. Among authors: guo cq.Dig Dis Sci. 2024 May;69(5):1755-1761. doi: 10.1007/s10620-024-08340-w. Epub 2024 Mar 14.Dig Dis Sci. 2024.PMID: 38483780