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.
Seyfarth RM, Cheney DL.Seyfarth RM, et al. Among authors: cheney dl.Proc Natl Acad Sci U S A. 2002 Apr 2;99(7):4141-2. doi: 10.1073/pnas.082105099.Proc Natl Acad Sci U S A. 2002.PMID: 11929989Free PMC article.No abstract available.
Cheney DL, Moscovice LR, Heesen M, Mundry R, Seyfarth RM.Cheney DL, et al.Proc Natl Acad Sci U S A. 2010 May 25;107(21):9562-6. doi: 10.1073/pnas.1001862107. Epub 2010 May 10.Proc Natl Acad Sci U S A. 2010.PMID: 20457901Free PMC article.
Seyfarth RM, Silk JB, Cheney DL.Seyfarth RM, et al. Among authors: cheney dl.Proc Natl Acad Sci U S A. 2012 Oct 16;109(42):16980-5. doi: 10.1073/pnas.1210780109. Epub 2012 Oct 1.Proc Natl Acad Sci U S A. 2012.PMID: 23027933Free PMC article.