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.
Solumsmoen S, Lilja-Cyron A, Buch KF, Kelsen J.Solumsmoen S, et al.Ugeskr Laeger. 2018 Dec 17;180(51):V03180201.Ugeskr Laeger. 2018.PMID: 30618364Free article.Review.Danish.