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.
Martin CA, McNeil DW, Crout RJ, Ngan PW, Weyant RJ, Heady HR, Marazita ML.Martin CA, et al. Among authors: heady hr.J Am Dent Assoc. 2008 May;139(5):598-604; quiz 627. doi: 10.14219/jada.archive.2008.0221.J Am Dent Assoc. 2008.PMID: 18451377
Brown PK, Heady HR, Gainor SJ, Harrison D, Daven M.Brown PK, et al. Among authors: heady hr.W V Med J. 2009 Oct;105 Spec No:60-2.W V Med J. 2009.PMID: 19999268Review.
Shannon CK, Baker H, Jackson J, Roy A, Heady H, Gunel E.Shannon CK, et al.Educ Health (Abingdon). 2005 Nov;18(3):395-404. doi: 10.1080/13576280500289710.Educ Health (Abingdon). 2005.PMID: 16236587