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.
Costa R, Leão MI, Silva KR, Camargo PR, Costa RV.Costa R, et al. Among authors: leao mi.Arq Bras Cardiol. 2006 Oct;87(4):e101-3. doi: 10.1590/s0066-782x2006001700024.Arq Bras Cardiol. 2006.PMID: 17128292Free article.English, Portuguese.
Costa R, Leão MI, Décourt LV.Costa R, et al. Among authors: leao mi.Rev Assoc Med Bras (1992). 1996 Jul-Sep;42(3):185-96.Rev Assoc Med Bras (1992). 1996.PMID: 9138363Review.Portuguese.