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.
el-Awar M, Becker JT, Hammond KM, Nebes RD, Boller F.el-Awar M, et al. Among authors: boller f.Arch Neurol. 1987 Feb;44(2):180-4. doi: 10.1001/archneur.1987.00520140048016.Arch Neurol. 1987.PMID: 3813934