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.
Westerman M, Meredith RW, Springer MS.Westerman M, et al. Among authors: springer ms.J Hered. 2010 Nov-Dec;101(6):690-702. doi: 10.1093/jhered/esq076. Epub 2010 Jun 25.J Hered. 2010.PMID: 20581108
Springer MS, Meredith RW, Janecka JE, Murphy WJ.Springer MS, et al.Philos Trans R Soc Lond B Biol Sci. 2011 Sep 12;366(1577):2478-502. doi: 10.1098/rstb.2011.0023.Philos Trans R Soc Lond B Biol Sci. 2011.PMID: 21807730Free PMC article.Review.