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.
Charters E, Bogaardt H, Clark J, Milross C, Freeman-Sanderson A, Ballard K, Britton R, McCabe N, Davis H, Sullivan T, Wu R.Charters E, et al. Among authors: ballard k.Head Neck. 2022 Feb;44(2):399-411. doi: 10.1002/hed.26936. Epub 2021 Nov 22.Head Neck. 2022.PMID: 34808023
Blyth KM, McCabe P, Heard R, Clark J, Madill C, Ballard KJ.Blyth KM, et al.Am J Speech Lang Pathol. 2014 Nov;23(4):668-78. doi: 10.1044/2014_AJSLP-14-0003.Am J Speech Lang Pathol. 2014.PMID: 25089517