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.
Liu X, Sun B, Xu Q, Che X, Hu J, Gu S, Shou J.Liu X, et al.J Neurosurg Spine. 2013 Jul;19(1):3-11. doi: 10.3171/2013.3.SPINE12183. Epub 2013 May 10.J Neurosurg Spine. 2013.PMID: 23662884
Shi W, Xu QW, Che XM, Hu J, Gu SX.Shi W, et al. Among authors: xu qw.Zhonghua Wai Ke Za Zhi. 2006 Jan 15;44(2):126-8.Zhonghua Wai Ke Za Zhi. 2006.PMID: 16620680Chinese.
Liu XD, Xu QW, Che XM, Mao RL.Liu XD, et al. Among authors: xu qw.Clin Anat. 2009 Apr;22(3):302-6. doi: 10.1002/ca.20771.Clin Anat. 2009.PMID: 19173250
Gu SX, Yang DL, Cui DM, Xu QW, Che XM, Wu JS, Li WS.Gu SX, et al. Among authors: xu qw.Clin Neurol Neurosurg. 2011 Dec;113(10):889-94. doi: 10.1016/j.clineuro.2011.06.008. Epub 2011 Aug 9.Clin Neurol Neurosurg. 2011.PMID: 21831519
Cui DM, Che XM, Xu QW, Gu SX, Shi W, Yang F.Cui DM, et al. Among authors: xu qw.Zhonghua Yi Xue Za Zhi. 2007 Jan 30;87(5):308-10.Zhonghua Yi Xue Za Zhi. 2007.PMID: 17456357Chinese.
Ha W, Yang D, Gu S, Xu QW, Che X, Wu JS, Li W.Ha W, et al. Among authors: xu qw.Med Sci Monit. 2014 May 15;20:802-6. doi: 10.12659/MSM.890840.Med Sci Monit. 2014.PMID: 24829084Free PMC article.