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.
Huizenga JE, Zink B, Maio R, Hill E.Huizenga JE, et al. Among authors: zink b.Acad Emerg Med. 2000 Oct;7(10):1171.Acad Emerg Med. 2000.PMID: 11015283Free article.
Huizenga JE, Zink BJ, Maio RF, Hill EM.Huizenga JE, et al.Acad Emerg Med. 2002 Aug;9(8):806-12. doi: 10.1111/j.1553-2712.2002.tb02169.x.Acad Emerg Med. 2002.PMID: 12153886Free article.