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.
Breviario D, Hinnebusch A, Cannon J, Tatchell K, Dhar R.Breviario D, et al. Among authors: tatchell k.Proc Natl Acad Sci U S A. 1986 Jun;83(12):4152-6. doi: 10.1073/pnas.83.12.4152.Proc Natl Acad Sci U S A. 1986.PMID: 3520568Free PMC article.
Nasmyth KA, Tatchell K, Hall BD, Astell C, Smith M.Nasmyth KA, et al. Among authors: tatchell k.Nature. 1981 Jan 22;289(5795):244-50. doi: 10.1038/289244a0.Nature. 1981.PMID: 6256656