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.
Nicholson SE, Willson TA, Farley A, Starr R, Zhang JG, Baca M, Alexander WS, Metcalf D, Hilton DJ, Nicola NA.Nicholson SE, et al. Among authors: zhang jg.EMBO J. 1999 Jan 15;18(2):375-85. doi: 10.1093/emboj/18.2.375.EMBO J. 1999.PMID: 9889194Free PMC article.