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.
Caroli M, Locatelli M, Prada F, Beretta F, Martinelli-Boneschi F, Campanella R, Arienta C.Caroli M, et al. Among authors: beretta f.J Neurosurg. 2005 Feb;102(2):290-4. doi: 10.3171/jns.2005.102.2.0290.J Neurosurg. 2005.PMID: 15739557