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.
Nelson CA, Roof RW, McCourt DW, Unanue ER.Nelson CA, et al. Among authors: unanue er.Proc Natl Acad Sci U S A. 1992 Aug 15;89(16):7380-3. doi: 10.1073/pnas.89.16.7380.Proc Natl Acad Sci U S A. 1992.PMID: 1323833Free PMC article.
Harding CV, Roof RW, Allen PM, Unanue ER.Harding CV, et al. Among authors: unanue er.Proc Natl Acad Sci U S A. 1991 Apr 1;88(7):2740-4. doi: 10.1073/pnas.88.7.2740.Proc Natl Acad Sci U S A. 1991.PMID: 2011583Free PMC article.