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.
Li Z, DiFranza JR, Wellman RJ, Kulkarni P, King JA.Li Z, et al. Among authors: wellman rj.Brain Res. 2008 Mar 14;1199:91-9. doi: 10.1016/j.brainres.2008.01.016. Epub 2008 Jan 18.Brain Res. 2008.PMID: 18279841