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.
Soares FF, Freire MDCM, Reis SCGB.Soares FF, et al. Among authors: freire mdcm.Rev Bras Epidemiol. 2017 Jan-Mar;20(1):176-188. doi: 10.1590/1980-5497201700010015.Rev Bras Epidemiol. 2017.PMID: 28513804Free article.English, Portuguese.
Jordão LMR, Malta DC, Freire MDCM.Jordão LMR, et al. Among authors: freire mdcm.Rev Bras Epidemiol. 2018 Nov 29;21(suppl 1):e180019. doi: 10.1590/1980-549720180019.supl.1.Rev Bras Epidemiol. 2018.PMID: 30517470Free article.English, Portuguese.