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.
Geddis-Regan A, Kerr K, Curl C.Geddis-Regan A, et al. Among authors: curl c.Prim Dent J. 2020 Jun;9(2):31-37. doi: 10.1177/2050168420923862.Prim Dent J. 2020.PMID: 32643571Free article.