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.
Xavier MO, Sales Mda P, Camargo Jde J, Pasqualotto AC, Severo LC.Xavier MO, et al. Among authors: pasqualotto ac.Rev Soc Bras Med Trop. 2008 Mar-Apr;41(2):200-1. doi: 10.1590/s0037-86822008000200014.Rev Soc Bras Med Trop. 2008.PMID: 18545845Free article.