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.
Kelly PJ, Hedley-Whyte ET, Primavera J, He J, Gonzalez RG.Kelly PJ, et al. Among authors: gonzalez rg.Neurology. 2001 Apr 10;56(7):914-20. doi: 10.1212/wnl.56.7.914.Neurology. 2001.PMID: 11294929