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 MM, Guedes GR, Rodrigues SM, Dias CA.Soares MM, et al. Among authors: guedes gr.Cad Saude Publica. 2021 Aug 30;37(8):e00061120. doi: 10.1590/0102-311X00061120. eCollection 2021.Cad Saude Publica. 2021.PMID: 34495089Free article.Portuguese.