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.
Pinto VM, Tancredi MV, Buchalla CM, Miranda AE.Pinto VM, et al. Among authors: buchalla cm.Rev Assoc Med Bras (1992). 2014 Jul;60(4):342-8. doi: 10.1590/1806-9282.60.04.013.Rev Assoc Med Bras (1992). 2014.PMID: 25211418Free article.