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.
Ho JD, Clinton JE, Lappe MA, Heegaard WG, Williams MF, Miner JR.Ho JD, et al. Among authors: heegaard wg.J Emerg Med. 2011 Sep;41(3):317-23. doi: 10.1016/j.jemermed.2009.09.031. Epub 2010 Feb 1.J Emerg Med. 2011.PMID: 20117901
Smith SW, Clark M, Nelson J, Heegaard W, Lufkin KC, Ruiz E.Smith SW, et al.J Emerg Med. 2010 Sep;39(3):377-83. doi: 10.1016/j.jemermed.2009.04.062. Epub 2009 Jun 17.J Emerg Med. 2010.PMID: 19535215