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.
Shrank WH, Fox SA, Kirk A, Ettner SL, Cantrell CH, Glassman P, Asch SM.Shrank WH, et al. Among authors: asch sm.J Gen Intern Med. 2006 Apr;21(4):334-9. doi: 10.1111/j.1525-1497.2006.00402.x.J Gen Intern Med. 2006.PMID: 16686808Free PMC article.