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.
Insua-Pereira I, Ferreira PC, Teixeira S, Barreiro D, Silva Á.Insua-Pereira I, et al. Among authors: silva a.Cent European J Urol. 2020;73(1):74-79. doi: 10.5173/ceju.2020.0060. Epub 2019 Dec 31.Cent European J Urol. 2020.PMID: 32395328Free PMC article.Review.
Silva A, Arrojo M, Ferreira P, Sa MJ, Palha AP.Silva A, et al.Actas Esp Psiquiatr. 2003 Jul-Aug;31(4):231-3.Actas Esp Psiquiatr. 2003.PMID: 12838446Spanish.
Ferreira P, Silva N, Silva A, Cardoso A, Rodrigues J, Reis J, Amarante J.Ferreira P, et al. Among authors: silva a, silva n.Acta Med Port. 2004 Mar-Apr;17(2):123-8. Epub 2004 Apr 30.Acta Med Port. 2004.PMID: 15921642Free article.Portuguese.