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.
Saouaf SJ, Mahajan S, Rowley RB, Kut SA, Fargnoli J, Burkhardt AL, Tsukada S, Witte ON, Bolen JB.Saouaf SJ, et al. Among authors: burkhardt al.Proc Natl Acad Sci U S A. 1994 Sep 27;91(20):9524-8. doi: 10.1073/pnas.91.20.9524.Proc Natl Acad Sci U S A. 1994.PMID: 7524079Free PMC article.