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.
Giro M, Davidson JM.Giro M, et al. Among authors: davidson jm.Mech Ageing Dev. 1993 Aug 15;70(3):163-36. doi: 10.1016/0047-6374(93)90046-t.Mech Ageing Dev. 1993.PMID: 8246632