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.
Madsen KM, Hviid A, Vestergaard M, Schendel D, Wohlfahrt J, Thorsen P, Olsen J, Melbye M.Madsen KM, et al. Among authors: olsen j.Ugeskr Laeger. 2002 Dec 2;164(49):5741-4.Ugeskr Laeger. 2002.PMID: 12523209Danish.
Vestergaard M, Hviid A, Madsen KM, Wohlfahrt J, Thorsen P, Schendel D, Melbye M, Olsen J.Vestergaard M, et al. Among authors: olsen j.JAMA. 2004 Jul 21;292(3):351-7. doi: 10.1001/jama.292.3.351.JAMA. 2004.PMID: 15265850
Zhu JL, Madsen KM, Vestergaard M, Basso O, Olsen J.Zhu JL, et al. Among authors: olsen j.Epidemiology. 2005 Mar;16(2):259-62. doi: 10.1097/01.ede.0000152526.63279.da.Epidemiology. 2005.PMID: 15703543
Zhu JL, Knudsen LE, Andersen AM, Hjollund NH, Olsen J.Zhu JL, et al. Among authors: olsen j.Scand J Work Environ Health. 2005 Apr;31(2):108-14. doi: 10.5271/sjweh.857.Scand J Work Environ Health. 2005.PMID: 15864904Free article.