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.
Chung EJ, Oh JI, Choi KY, Lee DJ, Park IS, Kim JH, Rho YS.Chung EJ, et al.Oral Oncol. 2011 Aug;47(8):758-62. doi: 10.1016/j.oraloncology.2011.05.013. Epub 2011 Jun 15.Oral Oncol. 2011.PMID: 21680228
Chung EJ, Lee SH, Baek SH, Park IS, Cho SJ, Rho YS.Chung EJ, et al.Laryngoscope. 2014 Apr;124(4):882-7. doi: 10.1002/lary.24299. Epub 2014 Jan 15.Laryngoscope. 2014.PMID: 23832757