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.
Baldal EA, van der Linde K, van Alphen JJ, Brakefield PM, Zwaan BJ.Baldal EA, et al. Among authors: van der linde k, van alphen jj.Mech Ageing Dev. 2005 Mar;126(3):407-16. doi: 10.1016/j.mad.2004.09.035.Mech Ageing Dev. 2005.PMID: 15664627