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.
Taylor RM, Franck LS, Dhawan A, Gibson F.Taylor RM, et al.Qual Health Res. 2010 Aug;20(8):1076-90. doi: 10.1177/1049732310368405. Epub 2010 May 4.Qual Health Res. 2010.PMID: 20442344