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.
Tough S, Tofflemire K, Benzies K, Fraser-Lee N, Newburn-Cook C.Tough S, et al. Among authors: benzies k.Matern Child Health J. 2007 Mar;11(2):189-98. doi: 10.1007/s10995-006-0156-1. Epub 2007 Jan 20.Matern Child Health J. 2007.PMID: 17237994