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.
Hegstad S, Hermansson S, Betnér I, Spigset O, Falch BM.Hegstad S, et al. Among authors: spigset o.J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Feb 1;947-948:83-95. doi: 10.1016/j.jchromb.2013.12.014. Epub 2013 Dec 25.J Chromatogr B Analyt Technol Biomed Life Sci. 2014.PMID: 24413020
Helland A, Espnes KA, Reimers A, Aamo T, Zahlsen K, Rygnestad T, Spigset O.Helland A, et al. Among authors: spigset o.Tidsskr Nor Laegeforen. 2008 Jan 3;128(1):42-5.Tidsskr Nor Laegeforen. 2008.PMID: 18183057Free article.Norwegian.
Dyrkorn R, Reimers A, Johannessen L, Spigset O.Dyrkorn R, et al. Among authors: spigset o.Tidsskr Nor Laegeforen. 2011 Mar 18;131(6):570-2. doi: 10.4045/tidsskr.10.0368.Tidsskr Nor Laegeforen. 2011.PMID: 21423307Free article.Norwegian.
Andreassen TN, Falch BMH, Spigset O.Andreassen TN, et al. Among authors: spigset o.J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Dec 1;1006:112-120. doi: 10.1016/j.jchromb.2015.10.029. Epub 2015 Nov 1.J Chromatogr B Analyt Technol Biomed Life Sci. 2015.PMID: 26547296