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.
Dresden SM, Hwang U, Garrido MM, Sze J, Kang R, Vargas-Torres C, Courtney DM, Loo G, Rosenberg M, Richardson L.Dresden SM, et al. Among authors: courtney dm.Acad Emerg Med. 2020 Jan;27(1):43-53. doi: 10.1111/acem.13880. Epub 2019 Dec 1.Acad Emerg Med. 2020.PMID: 31663245Free article.
Richman PB, Courtney DM, Friese J, Matthews J, Field A, Petri R, Kline JA.Richman PB, et al. Among authors: courtney dm.Acad Emerg Med. 2004 Jun;11(6):642-7.Acad Emerg Med. 2004.PMID: 15175202Free article.