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.
Mastelaro I, Pupin MP, Ribeiro SM, Oliveira HF, Peria FM, Cunha SF.Mastelaro I, et al. Among authors: ribeiro sm.Rev Assoc Med Bras (1992). 2016 Oct;62(7):659-663. doi: 10.1590/1806-9282.62.07.659.Rev Assoc Med Bras (1992). 2016.PMID: 27925046Free article.
Sanches LM, Ribeiro SM.Sanches LM, et al. Among authors: ribeiro sm.Rev Lat Am Enfermagem. 1997 Oct;5(4):101-9. doi: 10.1590/s0104-11691997000400013.Rev Lat Am Enfermagem. 1997.PMID: 9485874Portuguese.