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.
Haugland S, Haug K, Wold B.Haugland S, et al. Among authors: haug k.Tidsskr Nor Laegeforen. 1995 Jun 30;115(17):2106-9.Tidsskr Nor Laegeforen. 1995.PMID: 7644994Norwegian.
Gjesdal S, Haug K, Ringdal PR, Vollset SE, Maeland JG.Gjesdal S, et al. Among authors: haug k.Tidsskr Nor Laegeforen. 2005 Jun 30;125(13):1801-5.Tidsskr Nor Laegeforen. 2005.PMID: 16012545Free article.Norwegian.
Ringdal PR, Haug K, Maeland JG.Ringdal PR, et al. Among authors: haug k.Tidsskr Nor Laegeforen. 2002 Jan 20;122(2):157-60.Tidsskr Nor Laegeforen. 2002.PMID: 11873569Free article.Norwegian.
Maeland JG, Ringdal PR, Haug K.Maeland JG, et al. Among authors: haug k.Tidsskr Nor Laegeforen. 2002 Jan 20;122(2):161-4.Tidsskr Nor Laegeforen. 2002.PMID: 11873570Free article.Norwegian.