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.
Holton J, Alber T.Holton J, et al. Among authors: alber t.Proc Natl Acad Sci U S A. 2004 Feb 10;101(6):1537-42. doi: 10.1073/pnas.0306241101. Epub 2004 Jan 29.Proc Natl Acad Sci U S A. 2004.PMID: 14752198Free PMC article.
Lougheed JC, Holton JM, Alber T, Bazan JF, Handel TM.Lougheed JC, et al. Among authors: alber t.Proc Natl Acad Sci U S A. 2001 May 8;98(10):5515-20. doi: 10.1073/pnas.091601698. Epub 2001 May 1.Proc Natl Acad Sci U S A. 2001.PMID: 11331761Free PMC article.