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.
Gonçalves-Pereira M, Sampaio D.Gonçalves-Pereira M, et al. Among authors: sampaio d.Acta Med Port. 2011 Dec;24 Suppl 4:819-26. Epub 2011 Dec 31.Acta Med Port. 2011.PMID: 22863489Free article.Review.Portuguese.
Silva M, Sampaio D.Silva M, et al. Among authors: sampaio d.Acta Med Port. 2011 Jul-Aug;24(4):603-12. Epub 2011 Dec 12.Acta Med Port. 2011.PMID: 22521018Free article.Review.Portuguese.