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.
Witsell DL, Schulz KA, Moore K, Tucci DL; CHEER Investigators.Witsell DL, et al. Among authors: tucci dl.Otolaryngol Head Neck Surg. 2011 Oct;145(4):565-71. doi: 10.1177/0194599811406369. Epub 2011 May 18.Otolaryngol Head Neck Surg. 2011.PMID: 21593460Free PMC article.