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.
Bezerra AF, Espírito Santo AC, Batista Filho M.Bezerra AF, et al. Among authors: batista filho m.Rev Saude Publica. 2005 Oct;39(5):809-15. doi: 10.1590/s0034-89102005000500017. Epub 2005 Oct 24.Rev Saude Publica. 2005.PMID: 16254659Free article.Portuguese.
Carvalho MF, Lira PI, Romani Sde A, Santos IS, Veras AA, Batista Filho M.Carvalho MF, et al. Among authors: batista filho m.Cad Saude Publica. 2008 Mar;24(3):675-85. doi: 10.1590/s0102-311x2008000300021.Cad Saude Publica. 2008.PMID: 18327455Free article.Portuguese.