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.
Delanty N, Vaughan CJ.Delanty N, et al. Among authors: vaughan cj.Stroke. 1997 Nov;28(11):2315-20. doi: 10.1161/01.str.28.11.2315.Stroke. 1997.PMID: 9368582Review.