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.
Vik A, Kvistad KA, Skandsen T, Ingebrigtsen T.Vik A, et al. Among authors: kvistad ka.Tidsskr Nor Laegeforen. 2006 Nov 16;126(22):2940-4.Tidsskr Nor Laegeforen. 2006.PMID: 17117192Free article.Review.Norwegian.
Myran R, Kvistad KA, Nygaard OP, Andresen H, Folvik M, Zwart JA.Myran R, et al. Among authors: kvistad ka.Spine (Phila Pa 1976). 2008 Aug 15;33(18):2012-6. doi: 10.1097/BRS.0b013e31817bb0bd.Spine (Phila Pa 1976). 2008.PMID: 18708935
Myran R, Zwart JA, Kvistad KA, Folvik M, Lydersen S, Ro M, Woodhouse A, Nygaard OP.Myran R, et al. Among authors: kvistad ka.Spine (Phila Pa 1976). 2011 Jun;36(13):E862-7. doi: 10.1097/BRS.0b013e3181ff1dde.Spine (Phila Pa 1976). 2011.PMID: 21289550