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.
Grant DA, Lie T, Clark SM, Adams DF.Grant DA, et al. Among authors: adams df.J Periodontol. 1993 Jul;64(7):645-50. doi: 10.1902/jop.1993.64.7.645.J Periodontol. 1993.PMID: 8366413Clinical Trial.
Riviere GR, Smith KS, Tzagaroulaki E, Kay SL, Zhu X, DeRouen TA, Adams DF.Riviere GR, et al. Among authors: adams df.J Periodontol. 1996 Feb;67(2):109-15. doi: 10.1902/jop.1996.67.2.109.J Periodontol. 1996.PMID: 8667130