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.
Gómez-Marcos MA, Martínez-Salgado C, Grandes G, Recio-Rodríguez JI, Castaño Sánchez Y, Rodríguez Sánchez E, García-Ortiz L.Gómez-Marcos MA, et al.Med Clin (Barc). 2010 Mar 6;134(6):246-53. doi: 10.1016/j.medcli.2009.06.068. Epub 2010 Jan 4.Med Clin (Barc). 2010.PMID: 20045531Spanish.
Fuentes-Calvo I, Blázquez-Medela AM, Santos E, López-Novoa JM, Martínez-Salgado C.Fuentes-Calvo I, et al.PLoS One. 2010 Jan 14;5(1):e8703. doi: 10.1371/journal.pone.0008703.PLoS One. 2010.PMID: 20090846Free PMC article.