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.
Wolfgang MJ, Eisele SG, Browne MA, Schotzko ML, Garthwaite MA, Durning M, Ramezani A, Hawley RG, Thomson JA, Golos TG.Wolfgang MJ, et al. Among authors: garthwaite ma.Proc Natl Acad Sci U S A. 2001 Sep 11;98(19):10728-32. doi: 10.1073/pnas.181336098.Proc Natl Acad Sci U S A. 2001.PMID: 11553810Free PMC article.