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.
Marco CA, Larkin GL, Moskop JC, Derse AR.Marco CA, et al. Among authors: larkin gl.Ann Emerg Med. 2000 Jun;35(6):604-12.Ann Emerg Med. 2000.PMID: 10828774Review.
Marco CA, Larkin GL.Marco CA, et al. Among authors: larkin gl.Acad Emerg Med. 2000 Jun;7(6):691-4. doi: 10.1111/j.1553-2712.2000.tb02049.x.Acad Emerg Med. 2000.PMID: 10905651Free article.
Marco CA, Larkin GL.Marco CA, et al. Among authors: larkin gl.Acad Emerg Med. 2000 Oct;7(10):1147-51. doi: 10.1111/j.1553-2712.2000.tb01266.x.Acad Emerg Med. 2000.PMID: 11015248Free article.Review.
Marco CA, Larkin GL.Marco CA, et al. Among authors: larkin gl.Ann Emerg Med. 2003 Aug;42(2):256-60. doi: 10.1067/mem.2003.285.Ann Emerg Med. 2003.PMID: 12883514