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.
Westover MB, Eiseman NA, Cash SS, Bianchi MT.Westover MB, et al. Among authors: cash ss.Open Med Inform J. 2012;6:36-50. doi: 10.2174/1874431101206010036. Epub 2012 Dec 14.Open Med Inform J. 2012.PMID: 23304251Free PMC article.