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.
Pryor JE, Thompson JM, Robinson E, Clark PM, Becroft DM, Pattison NS, Galvish N, Wild CJ, Mitchell EA.Pryor JE, et al. Among authors: pattison ns.Acta Paediatr. 2003;92(1):62-4. doi: 10.1111/j.1651-2227.2003.tb00470.x.Acta Paediatr. 2003.PMID: 12650301