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.
Barness LA, Opitz JM, Gilbert-Barness E.Barness LA, et al.Am J Med Genet A. 2007 Dec 15;143A(24):3016-34. doi: 10.1002/ajmg.a.32035.Am J Med Genet A. 2007.PMID: 18000969Review.