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.
Zeisberger E, Roth J.Zeisberger E, et al. Among authors: roth j.Neuropsychobiology. 1993;28(1-2):106-9. doi: 10.1159/000119010.Neuropsychobiology. 1993.PMID: 8255404Review.