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.
Dixit VV, Pande A, Abdel-Aty M, Das A, Radwan E.Dixit VV, et al. Among authors: radwan e.Accid Anal Prev. 2011 Sep;43(5):1610-6. doi: 10.1016/j.aap.2011.01.006. Epub 2011 Apr 30.Accid Anal Prev. 2011.PMID: 21658486
Harb R, Yan X, Radwan E, Su X.Harb R, et al. Among authors: radwan e.Accid Anal Prev. 2009 Jan;41(1):98-107. doi: 10.1016/j.aap.2008.09.009. Epub 2008 Nov 4.Accid Anal Prev. 2009.PMID: 19114143