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.
Howard KP, Lear JD, DeGrado WF.Howard KP, et al. Among authors: degrado wf.Proc Natl Acad Sci U S A. 2002 Jun 25;99(13):8568-72. doi: 10.1073/pnas.132266099.Proc Natl Acad Sci U S A. 2002.PMID: 12084917Free PMC article.
Cristian L, Lear JD, DeGrado WF.Cristian L, et al. Among authors: degrado wf.Proc Natl Acad Sci U S A. 2003 Dec 9;100(25):14772-7. doi: 10.1073/pnas.2536751100. Epub 2003 Dec 1.Proc Natl Acad Sci U S A. 2003.PMID: 14657351Free PMC article.