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.
Ordway JM, Cearley JA, Detloff PJ.Ordway JM, et al. Among authors: cearley ja.Philos Trans R Soc Lond B Biol Sci. 1999 Jun 29;354(1386):1083-8. doi: 10.1098/rstb.1999.0463.Philos Trans R Soc Lond B Biol Sci. 1999.PMID: 10434310Free PMC article.Review.