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.
Ellwanger JH, Chies JA.Ellwanger JH, et al. Among authors: chies ja.Rev Soc Bras Med Trop. 2017 Jan-Feb;50(1):3-8. doi: 10.1590/0037-8682-0330-2016.Rev Soc Bras Med Trop. 2017.PMID: 28327796Free article.Review.