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.
Magnus JH, Tollan A.Magnus JH, et al. Among authors: tollan a.Tidsskr Nor Laegeforen. 1993 Jan 10;113(1):30-2.Tidsskr Nor Laegeforen. 1993.PMID: 8424247Norwegian.
Joakimsen RM, Søgaard AJ, Tollan A, Magnus JH.Joakimsen RM, et al. Among authors: tollan a.Tidsskr Nor Laegeforen. 1996 Jun 30;116(17):2013-6.Tidsskr Nor Laegeforen. 1996.PMID: 8766643Norwegian.