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.
Thureen PJ, Phillips RE, DeMarie MP, Hoffenberg A, Bronstein MN, Spedale SB, Hay WW Jr.Thureen PJ, et al.Crit Care Med. 1997 Jan;25(1):171-80. doi: 10.1097/00003246-199701000-00031.Crit Care Med. 1997.PMID: 8989195