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.
Wagner KR, Xi G, Hua Y, Zuccarello M, de Courten-Myers GM, Broderick JP, Brott TG.Wagner KR, et al. Among authors: xi g.J Neurosurg. 1999 Mar;90(3):491-8. doi: 10.3171/jns.1999.90.3.0491.J Neurosurg. 1999.PMID: 10067918
Masada T, Xi G, Hua Y, Keep RF.Masada T, et al. Among authors: xi g.Brain Res. 2000 Jun 9;867(1-2):173-9. doi: 10.1016/s0006-8993(00)02302-7.Brain Res. 2000.PMID: 10837811
Hua Y, Xi G, Keep RF, Hoff JT.Hua Y, et al. Among authors: xi g.J Neurosurg. 2000 Jun;92(6):1016-22. doi: 10.3171/jns.2000.92.6.1016.J Neurosurg. 2000.PMID: 10839264