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.
Hill A, Odhiambo Nengo I, Rossie JB.Hill A, et al.J Hum Evol. 2013 Nov;65(5):490-500. doi: 10.1016/j.jhevol.2013.02.014. Epub 2013 Sep 19.J Hum Evol. 2013.PMID: 24055115
Rossie JB, Gilbert CC, Hill A.Rossie JB, et al.Proc Natl Acad Sci U S A. 2013 Apr 9;110(15):5818-22. doi: 10.1073/pnas.1213691110. Epub 2013 Mar 18.Proc Natl Acad Sci U S A. 2013.PMID: 23509250Free PMC article.