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.
Simony A, Carreon LY, H Jmark K, Kyvik KO, Andersen MØ.Simony A, et al. Among authors: kyvik ko.Spine (Phila Pa 1976). 2016 Oct 1;41(19):1503-1507. doi: 10.1097/BRS.0000000000001681.Spine (Phila Pa 1976). 2016.PMID: 27163371
Kyvik KO, Green A, Beck-Nielsen H.Kyvik KO, et al.BMJ. 1995 Oct 7;311(7010):913-7. doi: 10.1136/bmj.311.7010.913.BMJ. 1995.PMID: 7580548Free PMC article.
Leboeuf-Yde C, Kyvik KO.Leboeuf-Yde C, et al. Among authors: kyvik ko.Spine (Phila Pa 1976). 1998 Jan 15;23(2):228-34. doi: 10.1097/00007632-199801150-00015.Spine (Phila Pa 1976). 1998.PMID: 9474731