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.
Gurdon JB, Byrne JA, Simonsson S.Gurdon JB, et al. Among authors: simonsson s.Proc Natl Acad Sci U S A. 2003 Sep 30;100 Suppl 1(Suppl 1):11819-22. doi: 10.1073/pnas.1834207100. Epub 2003 Aug 14.Proc Natl Acad Sci U S A. 2003.PMID: 12920185Free PMC article.Review.
Byrne JA, Simonsson S, Gurdon JB.Byrne JA, et al. Among authors: simonsson s.Proc Natl Acad Sci U S A. 2002 Apr 30;99(9):6059-63. doi: 10.1073/pnas.082112099. Epub 2002 Apr 23.Proc Natl Acad Sci U S A. 2002.PMID: 11972029Free PMC article.
Aslani A, Macao B, Simonsson S, Elias P.Aslani A, et al. Among authors: simonsson s.Proc Natl Acad Sci U S A. 2001 Jun 19;98(13):7194-9. doi: 10.1073/pnas.121177198.Proc Natl Acad Sci U S A. 2001.PMID: 11416203Free PMC article.