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.
Leppert IR, Narayanan S, Araújo D, Giacomini PS, Lapierre Y, Arnold DL, Pike GB.Leppert IR, et al. Among authors: arnold dl.J Neurol. 2014 Apr;261(4):809-16. doi: 10.1007/s00415-014-7284-0. Epub 2014 Feb 26.J Neurol. 2014.PMID: 24570281
Matthews PM, Francis G, Antel J, Arnold DL.Matthews PM, et al. Among authors: arnold dl.Neurology. 1991 Aug;41(8):1251-6. doi: 10.1212/wnl.41.8.1251.Neurology. 1991.PMID: 1650931