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.
De-Regil LM, Palacios C, Lombardo LK, Peña-Rosas JP.De-Regil LM, et al.Sao Paulo Med J. 2016 May-Jun;134(3):274-5. doi: 10.1590/1516-3180.20161343T2.Sao Paulo Med J. 2016.PMID: 27355803Free PMC article.