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.
Gutiérrez-González R, De Reina L, Saab A, Jiménez-Heffernan J, García-Uría J.Gutiérrez-González R, et al. Among authors: garcia uria j.Eur Spine J. 2012 Jun;21 Suppl 4(Suppl 4):S458-62. doi: 10.1007/s00586-011-2078-x. Epub 2011 Nov 18.Eur Spine J. 2012.PMID: 22094389Free PMC article.Review.