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.
Rodrigues M, Bonfim C, de Frias PG, Braga C, Gurgel IG, Medeiros Z.Rodrigues M, et al.Rev Bras Epidemiol. 2012 Jun;15(2):275-84. doi: 10.1590/s1415-790x2012000200005.Rev Bras Epidemiol. 2012.PMID: 22782093Free article.English, Portuguese.
de Albuquerque PC, Gurgel IG, Gurgel Ado M, Augusto LG, de Siqueira MT.de Albuquerque PC, et al.Rev Bras Epidemiol. 2015 Jul-Sep;18(3):666-78. doi: 10.1590/1980-5497201500030012. Epub 2015 Sep 1.Rev Bras Epidemiol. 2015.PMID: 26247190Free article.English, Portuguese.
Rodrigues M, Bonfim C, Portugal JL, de Frias PG, Gurgel IG, Costa TR, Medeiros Z.Rodrigues M, et al.Cien Saude Colet. 2014 Jul;19(7):2047-54. doi: 10.1590/1413-81232014197.18012013.Cien Saude Colet. 2014.PMID: 25014284Free article.Portuguese.