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.
Teixeira RK, Silveira TS, Botelho NM, Petroianu A.Teixeira RK, et al.Rev Col Bras Cir. 2012 Sep-Oct;39(5):421-4. doi: 10.1590/s0100-69912012000500015.Rev Col Bras Cir. 2012.PMID: 23174796Free article.Portuguese.
Teixeira RK, Botelho NM, Petroianu A.Teixeira RK, et al.Rev Assoc Med Bras (1992). 2013 Nov-Dec;59(6):571-5. doi: 10.1016/j.ramb.2013.06.012. Epub 2013 Nov 8.Rev Assoc Med Bras (1992). 2013.PMID: 24211012Free article.English, Portuguese.