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.
Davison SP, Facer GW, McGough PF, McCaffrey TV, Reder PA.Davison SP, et al. Among authors: reder pa.Ear Nose Throat J. 1997 Jul;76(7):436-41.Ear Nose Throat J. 1997.PMID: 9248135