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.
Sahly I, Bar Nachum S, Suss-Toby E, Rom A, Peretz A, Kleiman J, Byk T, Selinger Z, Minke B.Sahly I, et al. Among authors: minke b.Proc Natl Acad Sci U S A. 1992 Jan 1;89(1):435-9. doi: 10.1073/pnas.89.1.435.Proc Natl Acad Sci U S A. 1992.PMID: 1309615Free PMC article.