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.
Martín-Sáez E, Fernández-Guarino M, Carrillo-Gijón R, Muñoz-Zato E, Jaén-Olasolo P.Martín-Sáez E, et al.Actas Dermosifiliogr. 2008 Jan-Feb;99(1):64-8.Actas Dermosifiliogr. 2008.PMID: 18206089Free article.Review.Spanish.