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.
Dreibelbis JE, Józefowicz RF.Dreibelbis JE, et al. Among authors: jozefowicz rf.Neurol Clin. 2010 Feb;28(1):37-43. doi: 10.1016/j.ncl.2009.09.005.Neurol Clin. 2010.PMID: 19932374