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.
Gustavsen I, Al-Sammurraie M, Mørland J, Bramness JG.Gustavsen I, et al.Accid Anal Prev. 2009 May;41(3):462-6. doi: 10.1016/j.aap.2009.01.011. Epub 2009 Feb 15.Accid Anal Prev. 2009.PMID: 19393793
Gustavsen I, Hjelmeland K, Bernard JP, Mørland J.Gustavsen I, et al.Addiction. 2012 May;107(5):925-32. doi: 10.1111/j.1360-0443.2011.03693.x. Epub 2012 Feb 11.Addiction. 2012.PMID: 22008377Clinical Trial.
Gustavsen I, Bramness JG, Skurtveit S, Engeland A, Neutel I, Mørland J.Gustavsen I, et al.Sleep Med. 2008 Dec;9(8):818-22. doi: 10.1016/j.sleep.2007.11.011. Epub 2008 Jan 28.Sleep Med. 2008.PMID: 18226959