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.
Sehgal PB, Gupta SL.Sehgal PB, et al. Among authors: gupta sl.Proc Natl Acad Sci U S A. 1980 Jun;77(6):3489-93. doi: 10.1073/pnas.77.6.3489.Proc Natl Acad Sci U S A. 1980.PMID: 6158049Free PMC article.
Gupta SL, Rubin BY, Holmes SL.Gupta SL, et al.Proc Natl Acad Sci U S A. 1979 Oct;76(10):4817-21. doi: 10.1073/pnas.76.10.4817.Proc Natl Acad Sci U S A. 1979.PMID: 291901Free PMC article.
Rubin BY, Gupta SL.Rubin BY, et al. Among authors: gupta sl.Proc Natl Acad Sci U S A. 1980 Oct;77(10):5928-32. doi: 10.1073/pnas.77.10.5928.Proc Natl Acad Sci U S A. 1980.PMID: 6160587Free PMC article.