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.
Kvalvaag E, Anvar M, Karlberg AC, Brox JI, Engebretsen KB, Soberg HL, Juel NG, Bautz-Holter E, Sandvik L, Roe C.Kvalvaag E, et al. Among authors: bautz holter e.BMC Musculoskelet Disord. 2017 Nov 21;18(1):469. doi: 10.1186/s12891-017-1827-3.BMC Musculoskelet Disord. 2017.PMID: 29157224Free PMC article.Clinical Trial.