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.
Doerre S, Sista P, Sun SC, Ballard DW, Greene WC.Doerre S, et al.Proc Natl Acad Sci U S A. 1993 Feb 1;90(3):1023-7. doi: 10.1073/pnas.90.3.1023.Proc Natl Acad Sci U S A. 1993.PMID: 8430069Free PMC article.
Molitor JA, Walker WH, Doerre S, Ballard DW, Greene WC.Molitor JA, et al. Among authors: doerre s.Proc Natl Acad Sci U S A. 1990 Dec;87(24):10028-32. doi: 10.1073/pnas.87.24.10028.Proc Natl Acad Sci U S A. 1990.PMID: 2263603Free PMC article.
Ballard DW, Dixon EP, Peffer NJ, Bogerd H, Doerre S, Stein B, Greene WC.Ballard DW, et al. Among authors: doerre s.Proc Natl Acad Sci U S A. 1992 Mar 1;89(5):1875-9. doi: 10.1073/pnas.89.5.1875.Proc Natl Acad Sci U S A. 1992.PMID: 1542686Free PMC article.