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.
Reina J, Gonzalez C.Reina J, et al. Among authors: gonzalez c.Philos Trans R Soc Lond B Biol Sci. 2014 Sep 5;369(1650):20130466. doi: 10.1098/rstb.2013.0466.Philos Trans R Soc Lond B Biol Sci. 2014.PMID: 25047620Free PMC article.Review.