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.
Trivedi AN, Ayanian JZ.Trivedi AN, et al. Among authors: ayanian jz.J Gen Intern Med. 2006 Jun;21(6):553-8. doi: 10.1111/j.1525-1497.2006.00413.x.J Gen Intern Med. 2006.PMID: 16808735Free PMC article.