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.
Bitner-Glindzicz M, Pembrey M, Duncan A, Heron J, Ring SM, Hall A, Rahman S.Bitner-Glindzicz M, et al.N Engl J Med. 2009 Feb 5;360(6):640-2. doi: 10.1056/NEJMc0806396.N Engl J Med. 2009.PMID: 19196684No abstract available.