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.
Dunning J, Levine A.Dunning J, et al. Among authors: levine a.Emerg Med J. 2004 Jul;21(4):499-501. doi: 10.1136/emj.2004.016543.Emerg Med J. 2004.PMID: 15208244Free PMC article.Review.
Kalkat M, Levine A, Dunning J.Kalkat M, et al. Among authors: levine a.Interact Cardiovasc Thorac Surg. 2004 Mar;3(1):124-8. doi: 10.1016/S1569-9293(03)00234-2.Interact Cardiovasc Thorac Surg. 2004.PMID: 17670195
Vohra HA, Levine A, Dunning J.Vohra HA, et al. Among authors: levine a.Interact Cardiovasc Thorac Surg. 2005 Oct;4(5):442-6. doi: 10.1510/icvts.2005.114710. Epub 2005 Jun 24.Interact Cardiovasc Thorac Surg. 2005.PMID: 17670453