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.
Grundy CE, Robinson J, Guthrie KA, Gordon AG, Hay DM.Grundy CE, et al.BMJ. 1992 Feb 1;304(6822):292-3. doi: 10.1136/bmj.304.6822.292-a.BMJ. 1992.PMID: 1739830Free PMC article.No abstract available.
Moles DR, Frost C, Grundy C.Moles DR, et al. Among authors: grundy c.Br Dent J. 2001 May 26;190(10):548-53. doi: 10.1038/sj.bdj.4801032.Br Dent J. 2001.PMID: 11411889