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.
Ganguly K, Kleinfeld D.Ganguly K, et al. Among authors: kleinfeld d.Proc Natl Acad Sci U S A. 2004 Aug 17;101(33):12348-53. doi: 10.1073/pnas.0308470101. Epub 2004 Aug 5.Proc Natl Acad Sci U S A. 2004.PMID: 15297618Free PMC article.