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.
Flores-Flores A, Sueiras-Gil M, Toledo M, Garcia B, Lorenzo-Bosquet C, Rovira A, Cuberas-Borros G, Auger-Acosta C, Salas-Puig J.Flores-Flores A, et al.Rev Neurol. 2010 Mar 1;50(5):279-82.Rev Neurol. 2010.PMID: 20217646Free article.Spanish.