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.
Naess O, Claussen B, Smith GD, Leyland AH.Naess O, et al. Among authors: claussen b.J Epidemiol Community Health. 2008 Jan;62(1):29-34. doi: 10.1136/jech.2006.048090.J Epidemiol Community Health. 2008.PMID: 18079330
Claussen B, Naess Ø.Claussen B, et al.Tidsskr Nor Laegeforen. 2002 Aug 20;122(19):1867-9.Tidsskr Nor Laegeforen. 2002.PMID: 12362708Free article.Norwegian.
Naess O, Claussen B, Thelle DS, Smith GD.Naess O, et al. Among authors: claussen b.Scand J Public Health. 2005;33(3):215-21. doi: 10.1080/14034940410019190.Scand J Public Health. 2005.PMID: 16040463
Naess O, Claussen B, Smith GD.Naess O, et al. Among authors: claussen b.Scand J Public Health. 2007;35(6):570-6. doi: 10.1080/14034940701320846.Scand J Public Health. 2007.PMID: 17852985