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.
Aavitsland P, Lystad A.Aavitsland P, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1992 May 20;112(13):1719-22.Tidsskr Nor Laegeforen. 1992.PMID: 1509433Norwegian.
Stormark M, Aavitsland P, Lystad A.Stormark M, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1993 Jan 20;113(2):173-7.Tidsskr Nor Laegeforen. 1993.PMID: 8430395Norwegian.
Aavitsland P, Lystad A.Aavitsland P, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1993 Mar 10;113(7):821-4.Tidsskr Nor Laegeforen. 1993.PMID: 8480285Norwegian.
Aavitsland P, Lystad A.Aavitsland P, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1995 Oct 20;115(25):3141-4.Tidsskr Nor Laegeforen. 1995.PMID: 8539697Review.Norwegian.
Aavitsland P, Nilsen O, Hasseltvedt V, Lystad A.Aavitsland P, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1996 Nov 30;116(29):3489-92.Tidsskr Nor Laegeforen. 1996.PMID: 9019856Norwegian.
Aavitsland P, Nilsen O, Hasseltvedt V, Lystad A.Aavitsland P, et al. Among authors: lystad a.Tidsskr Nor Laegeforen. 1996 Nov 30;116(29):3493-8.Tidsskr Nor Laegeforen. 1996.PMID: 9019857Norwegian.