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.
Kouwenhoven JW, Castelein RM.Kouwenhoven JW, et al. Among authors: castelein rm.Spine (Phila Pa 1976). 2008 Dec 15;33(26):2898-908. doi: 10.1097/BRS.0b013e3181891751.Spine (Phila Pa 1976). 2008.PMID: 19092622Review.
Janssen MM, Vincken KL, Kemp B, Obradov M, de Kleuver M, Viergever MA, Castelein RM, Bartels LW.Janssen MM, et al. Among authors: castelein rm.Eur Spine J. 2010 Oct;19(10):1728-34. doi: 10.1007/s00586-010-1400-3. Epub 2010 Apr 20.Eur Spine J. 2010.PMID: 20405300Free PMC article.