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.
Langebrekke A, Johannessen HO, Qvigstad E.Langebrekke A, et al. Among authors: qvigstad e.Tidsskr Nor Laegeforen. 2008 Jun 26;128(13):1515-8.Tidsskr Nor Laegeforen. 2008.PMID: 18587458Free article.Review.Norwegian.
Koutoukos I, Langebrekke A, Young V, Qvigstad E.Koutoukos I, et al. Among authors: qvigstad e.Fertil Steril. 2011 Jan;95(1):259-60. doi: 10.1016/j.fertnstert.2010.09.004. Epub 2010 Oct 16.Fertil Steril. 2011.PMID: 20951984Free article.
Lieng M, Qvigstad E, Istre O, Langebrekke A, Ballard K.Lieng M, et al. Among authors: qvigstad e.BJOG. 2008 Dec;115(13):1605-10. doi: 10.1111/j.1471-0528.2008.01854.x. Epub 2008 Aug 25.BJOG. 2008.PMID: 18752588