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.
Bortfeld M, Rius M, König J, Herold-Mende C, Nies AT, Keppler D.Bortfeld M, et al.Neuroscience. 2006;137(4):1247-57. doi: 10.1016/j.neuroscience.2005.10.025. Epub 2005 Dec 15.Neuroscience. 2006.PMID: 16359813