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.
Bouwens SF, van Heugten CM, Aalten P, Wolfs CA, Baarends EM, van Menxel DA, Verhey FR.Bouwens SF, et al.Dement Geriatr Cogn Disord. 2008;25(1):81-7. doi: 10.1159/000111694. Epub 2007 Nov 28.Dement Geriatr Cogn Disord. 2008.PMID: 18042994