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.
Handfield M, Progulske-Fox A, Hillman JD.Handfield M, et al.Periodontol 2000. 2005;38:123-34. doi: 10.1111/j.1600-0757.2005.00110.x.Periodontol 2000. 2005.PMID: 15853939No abstract available.