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.
Lundquist ST, Stack LB.Lundquist ST, et al. Among authors: stack lb.Emerg Med Clin North Am. 2001 Aug;19(3):529-46. doi: 10.1016/s0733-8627(05)70202-9.Emerg Med Clin North Am. 2001.PMID: 11554274Review.