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.
Fleury Ede F, Fleury JC, Oliveira VM, Rinaldi JF, Piato S, Roveda Junior D.Fleury Ede F, et al. Among authors: rinaldi jf.Rev Assoc Med Bras (1992). 2009 Mar-Apr;55(2):192-6. doi: 10.1590/s0104-42302009000200025.Rev Assoc Med Bras (1992). 2009.PMID: 19488657Free article.Portuguese.