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.
Maher CO, Anderson RE, Martin HS, McClelland RL, Meyer FB.Maher CO, et al. Among authors: meyer fb.J Neurosurg. 2003 Nov;99(5):907-12. doi: 10.3171/jns.2003.99.5.0907.J Neurosurg. 2003.PMID: 14609172