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.
Zwicker JG, Harris SR, Klassen AF.Zwicker JG, et al. Among authors: harris sr.Child Care Health Dev. 2013 Jul;39(4):562-80. doi: 10.1111/j.1365-2214.2012.01379.x. Epub 2012 Apr 20.Child Care Health Dev. 2013.PMID: 22515477Review.
Bicego D, Brown K, Ruddick M, Storey D, Wong C, Harris SR.Bicego D, et al. Among authors: harris sr.Breast J. 2009 Jan-Feb;15(1):45-51. doi: 10.1111/j.1524-4741.2008.00670.x.Breast J. 2009.PMID: 19120381Review.