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.
Luo Y, Niu F, Sun Z, Cao W, Zhang X, Guan D, Lv Z, Zhang B, Xu Y.Luo Y, et al. Among authors: xu y.Mech Ageing Dev. 2009 Apr;130(4):248-52. doi: 10.1016/j.mad.2008.12.005. Epub 2008 Dec 27.Mech Ageing Dev. 2009.PMID: 19150622
Zhang B, Li M, Sun ZZ, Zhu B, Yuan L, Wang Y, Xu Y.Zhang B, et al. Among authors: xu y.J Clin Neurosci. 2009 May;16(5):635-41. doi: 10.1016/j.jocn.2008.07.080. Epub 2009 Mar 4.J Clin Neurosci. 2009.PMID: 19264490
Sha D, Li L, Ye L, Liu R, Xu Y.Sha D, et al. Among authors: xu y.Neuroreport. 2009 Nov 25;20(17):1564-7. doi: 10.1097/WNR.0b013e328332d345.Neuroreport. 2009.PMID: 19858766