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.
Azzoni R, Cabitza P.Azzoni R, et al. Among authors: cabitza p.Chir Organi Mov. 2004 Apr-Jun;89(2):143-50.Chir Organi Mov. 2004.PMID: 15645791English, Spanish.