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.
Roy M, Turner-Gomes S, Gill G, Way C, Mernagh J, Schmidt B.Roy M, et al. Among authors: mernagh j.J Pediatr. 2002 Jan;140(1):131-4. doi: 10.1067/mpd.2002.119591.J Pediatr. 2002.PMID: 11815778