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.
Poirson AB, Wandell BA, Varner DC, Brainard DH.Poirson AB, et al. Among authors: brainard dh.J Opt Soc Am A. 1990 Apr;7(4):783-9. doi: 10.1364/josaa.7.000783.J Opt Soc Am A. 1990.PMID: 2338599
Kraft JM, Brainard DH.Kraft JM, et al. Among authors: brainard dh.Proc Natl Acad Sci U S A. 1999 Jan 5;96(1):307-12. doi: 10.1073/pnas.96.1.307.Proc Natl Acad Sci U S A. 1999.PMID: 9874814Free PMC article.