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.
Campanella ME, Chu H, Low PS.Campanella ME, et al. Among authors: chu h.Proc Natl Acad Sci U S A. 2005 Feb 15;102(7):2402-7. doi: 10.1073/pnas.0409741102. Epub 2005 Feb 8.Proc Natl Acad Sci U S A. 2005.PMID: 15701694Free PMC article.
Chu H, Puchulu-Campanella E, Galan JA, Tao WA, Low PS, Hoffman JF.Chu H, et al.Proc Natl Acad Sci U S A. 2012 Jul 31;109(31):12794-9. doi: 10.1073/pnas.1209014109. Epub 2012 Jun 28.Proc Natl Acad Sci U S A. 2012.PMID: 22745158Free PMC article.