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.
Hollingshead NA, Meints S, Middleton SK, Free CA, Hirsh AT.Hollingshead NA, et al. Among authors: hirsh at.BMC Med Educ. 2015 Oct 1;15:164. doi: 10.1186/s12909-015-0441-z.BMC Med Educ. 2015.PMID: 26427937Free PMC article.