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.
Land BR, Salpeter EE, Salpeter MM.Land BR, et al. Among authors: salpeter ee, salpeter mm.Proc Natl Acad Sci U S A. 1981 Nov;78(11):7200-4. doi: 10.1073/pnas.78.11.7200.Proc Natl Acad Sci U S A. 1981.PMID: 6947281Free PMC article.
Land BR, Harris WV, Salpeter EE, Salpeter MM.Land BR, et al. Among authors: salpeter ee, salpeter mm.Proc Natl Acad Sci U S A. 1984 Mar;81(5):1594-8. doi: 10.1073/pnas.81.5.1594.Proc Natl Acad Sci U S A. 1984.PMID: 6584895Free PMC article.
Land BR, Salpeter EE, Salpeter MM.Land BR, et al. Among authors: salpeter ee, salpeter mm.Proc Natl Acad Sci U S A. 1980 Jun;77(6):3736-40. doi: 10.1073/pnas.77.6.3736.Proc Natl Acad Sci U S A. 1980.PMID: 6932045Free PMC article.
Stiles JR, Van Helden D, Bartol TM Jr, Salpeter EE, Salpeter MM.Stiles JR, et al. Among authors: salpeter ee, salpeter mm.Proc Natl Acad Sci U S A. 1996 Jun 11;93(12):5747-52. doi: 10.1073/pnas.93.12.5747.Proc Natl Acad Sci U S A. 1996.PMID: 8650164Free PMC article.