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.
Ripmaster TL, Shiba K, Schimmel P.Ripmaster TL, et al.Proc Natl Acad Sci U S A. 1995 May 23;92(11):4932-6. doi: 10.1073/pnas.92.11.4932.Proc Natl Acad Sci U S A. 1995.PMID: 7761427Free PMC article.
Sen S, Zhou H, Ripmaster T, Hittelman WN, Schimmel P, White RA.Sen S, et al.Proc Natl Acad Sci U S A. 1997 Jun 10;94(12):6164-9. doi: 10.1073/pnas.94.12.6164.Proc Natl Acad Sci U S A. 1997.PMID: 9177188Free PMC article.
Ripmaster TL, Vaughn GP, Woolford JL Jr.Ripmaster TL, et al.Proc Natl Acad Sci U S A. 1992 Dec 1;89(23):11131-5. doi: 10.1073/pnas.89.23.11131.Proc Natl Acad Sci U S A. 1992.PMID: 1454790Free PMC article.