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Yuan H, Yang BB, Xu ZF.Yuan H, et al.Zhonghua Er Bi Yan Hou Ke Za Zhi. 2004 Mar;39(3):162-5.Zhonghua Er Bi Yan Hou Ke Za Zhi. 2004.PMID: 15283296Chinese.
Hu Y, Liang H, Gong WK, Xu ZF, Zou QL.Hu Y, et al.Zhongguo Zhong Yao Za Zhi. 2005 Mar;30(6):450-3.Zhongguo Zhong Yao Za Zhi. 2005.PMID: 15810453Chinese.
Liang Q, Ding J, Xu R, Xu Z, Zheng S.Liang Q, et al. Among authors: xu r, xu z.Biochem Biophys Res Commun. 2009 May 1;382(2):468-72. doi: 10.1016/j.bbrc.2009.03.058. Epub 2009 Mar 14.Biochem Biophys Res Commun. 2009.PMID: 19289097