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.
Hamer JE, Howard RJ, Chumley FG, Valent B.Hamer JE, et al.Science. 1988 Jan 15;239(4837):288-90. doi: 10.1126/science.239.4837.288.Science. 1988.PMID: 17769992
Hamer JE, Farrall L, Orbach MJ, Valent B, Chumley FG.Hamer JE, et al.Proc Natl Acad Sci U S A. 1989 Dec;86(24):9981-5. doi: 10.1073/pnas.86.24.9981.Proc Natl Acad Sci U S A. 1989.PMID: 2602385Free PMC article.