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.
Campos AC, Borges CM, Vargas AM, Gomes VE, Lucas SD, Ferreira e Ferreira E.Campos AC, et al.BMC Res Notes. 2015 Jan 20;8:11. doi: 10.1186/s13104-015-0978-2.BMC Res Notes. 2015.PMID: 25601219Free PMC article.
Borges CM, Campos AC, Vargas AD, Ferreira EF, Kawachi I.Borges CM, et al.BMC Res Notes. 2010 Dec 16;3:338. doi: 10.1186/1756-0500-3-338.BMC Res Notes. 2010.PMID: 21162730Free PMC article.
Borges CM, Peres MA, Peres KG.Borges CM, et al.Rev Bras Epidemiol. 2010 Dec;13(4):713-23. doi: 10.1590/s1415-790x2010000400015.Rev Bras Epidemiol. 2010.PMID: 21180859Free article.Portuguese.