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.
Weinberg EL, Baer PA.Weinberg EL, et al.CMAJ. 2017 Oct 2;189(39):E1233. doi: 10.1503/cmaj.733244.CMAJ. 2017.PMID: 28970262Free PMC article.No abstract available.