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.
Courtney SE, Pyon KH, Saslow JG, Arnold GK, Pandit PB, Habib RH.Courtney SE, et al. Among authors: pyon kh.Pediatrics. 2001 Feb;107(2):304-8. doi: 10.1542/peds.107.2.304.Pediatrics. 2001.PMID: 11158463Clinical Trial.