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.
Lightle SA, Oakley JI, Nikolova-Karakashian MN.Lightle SA, et al.Mech Ageing Dev. 2000 Dec 1;120(1-3):111-25. doi: 10.1016/s0047-6374(00)00191-3.Mech Ageing Dev. 2000.PMID: 11087909