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.
Alvarez L C, Ramírez-Campillo R, Flores O M, Henríquez-Olguín C, Campos J C, Carrasco V, Martínez S C, Celis-Morales C.Alvarez L C, et al.Rev Med Chil. 2013 Oct;141(10):1293-9. doi: 10.4067/S0034-98872013001000008.Rev Med Chil. 2013.PMID: 24522357Free article.Spanish.