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.
Bolt RJ, van Weissenbruch MM, Roos JC, Delemarre-van de Waal HA, Cranendonk A, Lafeber HN.Bolt RJ, et al.Acta Paediatr. 2002;91(7):815-21. doi: 10.1080/08035250213220.Acta Paediatr. 2002.PMID: 12200909