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.
Lyons-Ruth K, Easterbrooks MA.Lyons-Ruth K, et al.Infant Ment Health J. 2006 Jan;27(1-2):55-69. doi: 10.1002/imhj.20080.Infant Ment Health J. 2006.PMID: 17710114Free PMC article.