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.
Grove EL, Løfgren B.Grove EL, et al. Among authors: lofgren b.Eur J Emerg Med. 2014 Apr;21(2):142-4. doi: 10.1097/MEJ.0b013e328360a0f4.Eur J Emerg Med. 2014.PMID: 23510898