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.
Bang J, Mortensen OS, Ebbehøj N.Bang J, et al. Among authors: mortensen os.Ugeskr Laeger. 2008 Feb 4;170(6):461.Ugeskr Laeger. 2008.PMID: 18252186Danish.
Holtermann A, Mortensen OS, Burr H, Søgaard K, Gyntelberg F, Suadicani P.Holtermann A, et al. Among authors: mortensen os.Scand J Work Environ Health. 2010 Nov;36(6):466-72. doi: 10.5271/sjweh.3120. Epub 2010 Sep 20.Scand J Work Environ Health. 2010.PMID: 20852831Free article.