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.
Rosenberg ES, Evian CI, Gerhard R.Rosenberg ES, et al. Among authors: evian ci.Quintessence Int Dent Dig. 1980 Dec;11(12):53-60.Quintessence Int Dent Dig. 1980.PMID: 6941323No abstract available.