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.
Bouza C, López-Cuadrado T, Almendro N, Amate JM.Bouza C, et al.Eur Spine J. 2015 Apr;24(4):715-23. doi: 10.1007/s00586-014-3581-7. Epub 2014 Nov 16.Eur Spine J. 2015.PMID: 25399304