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.
Smith BN, Banfield BW, Smeraski CA, Wilcox CL, Dudek FE, Enquist LW, Pickard GE.Smith BN, et al. Among authors: smeraski ca.Proc Natl Acad Sci U S A. 2000 Aug 1;97(16):9264-9. doi: 10.1073/pnas.97.16.9264.Proc Natl Acad Sci U S A. 2000.PMID: 10922076Free PMC article.