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.
Francisco JA, Campbell R, Iverson BL, Georgiou G.Francisco JA, et al. Among authors: iverson bl.Proc Natl Acad Sci U S A. 1993 Nov 15;90(22):10444-8. doi: 10.1073/pnas.90.22.10444.Proc Natl Acad Sci U S A. 1993.PMID: 8248129Free PMC article.
Burks EA, Chen G, Georgiou G, Iverson BL.Burks EA, et al. Among authors: iverson bl.Proc Natl Acad Sci U S A. 1997 Jan 21;94(2):412-7. doi: 10.1073/pnas.94.2.412.Proc Natl Acad Sci U S A. 1997.PMID: 9012796Free PMC article.
Daugherty PS, Chen G, Iverson BL, Georgiou G.Daugherty PS, et al. Among authors: iverson bl.Proc Natl Acad Sci U S A. 2000 Feb 29;97(5):2029-34. doi: 10.1073/pnas.030527597.Proc Natl Acad Sci U S A. 2000.PMID: 10688877Free PMC article.