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.
Greve E, Anthonsen S.Greve E, et al. Among authors: anthonsen s.Ugeskr Laeger. 1987 Oct 12;149(42):2879-81.Ugeskr Laeger. 1987.PMID: 3433463Danish.No abstract available.