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.
Hysing M, Elgen I, Gillberg C, Lundervold AJ.Hysing M, et al.Child Care Health Dev. 2009 Jul;35(4):527-33. doi: 10.1111/j.1365-2214.2009.00967.x. Epub 2009 Mar 23.Child Care Health Dev. 2009.PMID: 19323670
Sivertsen B, Hysing M, Elgen I, Stormark KM, Lundervold AJ.Sivertsen B, et al.Child Adolesc Psychiatry Ment Health. 2009 Aug 27;3(1):22. doi: 10.1186/1753-2000-3-22.Child Adolesc Psychiatry Ment Health. 2009.PMID: 19712458Free PMC article.
Bjorgaas HM, Hysing M, Elgen I.Bjorgaas HM, et al.Res Dev Disabil. 2012 Jul-Aug;33(4):1287-93. doi: 10.1016/j.ridd.2012.02.024. Epub 2012 Mar 22.Res Dev Disabil. 2012.PMID: 22502856