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.
de Vries AP, Kassam-Adams N, Cnaan A, Sherman-Slate E, Gallagher PR, Winston FK.de Vries AP, et al. Among authors: gallagher pr.Pediatrics. 1999 Dec;104(6):1293-9. doi: 10.1542/peds.104.6.1293.Pediatrics. 1999.PMID: 10585980