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.
Kummer E, Rasch CR, Keus RB, Tan IB, Balm AJ.Kummer E, et al. Among authors: keus rb.Head Neck. 2002 Mar;24(3):268-73. doi: 10.1002/hed.10023.Head Neck. 2002.PMID: 11891959
Valdés Olmos RA, Keus RB, Takes RP, van Tinteren H, Baris G, Hilgers FJ, Hoefnagel CA, Balm AJ.Valdés Olmos RA, et al. Among authors: keus rb.Cancer. 1994 Jun 15;73(12):2886-93. doi: 10.1002/1097-0142(19940615)73:12<2886::aid-cncr2820731203>3.0.co;2-k.Cancer. 1994.PMID: 8199984