An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Chen YB, Guan YX, Zhan YQ, Li W, Sun XW, Li YF, Xu DZ.Chen YB, et al. Among authors: sun xw.Ai Zheng. 2004 Nov;23(11 Suppl):1520-2.Ai Zheng. 2004.PMID: 15566671Chinese.
Zhan YQ, Sun XW, Li W, Chen YB, Xu L, Guan YX, Li YF, Xu DZ.Zhan YQ, et al. Among authors: sun xw.Ai Zheng. 2005 May;24(5):596-9.Ai Zheng. 2005.PMID: 15890105Chinese.
Xu DZ, Zhan YQ, Wu QL, Lai YR, Li W, Chen YB, Sun XW, Xu L, Guan YX, Li YF.Xu DZ, et al. Among authors: sun xw.Ai Zheng. 2005 Jun;24(6):707-10.Ai Zheng. 2005.PMID: 15946484Chinese.
Zhan YQ, Li W, Sun XW, Chen YB, Xu L, Chen G, Guan YX, Li YF, Xu DZ, Sun XF, Zhang HZ, Lin ZW.Zhan YQ, et al. Among authors: sun xf, sun xw.Zhonghua Wai Ke Za Zhi. 2005 Sep 1;43(17):1109-13.Zhonghua Wai Ke Za Zhi. 2005.PMID: 16194306Chinese.
Li W, Sun XW, Xu DZ, Guan YX, Zhan YQ.Li W, et al. Among authors: sun xw.Zhonghua Wei Chang Wai Ke Za Zhi. 2007 Sep;10(5):476-8.Zhonghua Wei Chang Wai Ke Za Zhi. 2007.PMID: 17851793Chinese.