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.
Gomulkiewicz R, Shaw RG.Gomulkiewicz R, et al.Philos Trans R Soc Lond B Biol Sci. 2013 Jan 19;368(1610):20120093. doi: 10.1098/rstb.2012.0093.Philos Trans R Soc Lond B Biol Sci. 2013.PMID: 23209173Free PMC article.Review.