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.
Mellingen KM, Midtun A, Hanevik K, Eide GE, Søbstad Ø, Langeland N.Mellingen KM, et al. Among authors: langeland n.BMC Public Health. 2010 Mar 26;10:163. doi: 10.1186/1471-2458-10-163.BMC Public Health. 2010.PMID: 20346102Free PMC article.
Nygård K, Schimmer B, Søbstad Ø, Walde A, Tveit I, Langeland N, Hausken T, Aavitsland P.Nygård K, et al. Among authors: langeland n.BMC Public Health. 2006 May 25;6:141. doi: 10.1186/1471-2458-6-141.BMC Public Health. 2006.PMID: 16725025Free PMC article.
Wensaas KA, Langeland N, Rørtveit G.Wensaas KA, et al. Among authors: langeland n.Tidsskr Nor Laegeforen. 2007 Sep 6;127(17):2222-5.Tidsskr Nor Laegeforen. 2007.PMID: 17828314Free article.Norwegian.