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.
Barinaga M, Kaiser J.Barinaga M, et al. Among authors: kaiser j.Science. 1999 Aug 20;285(5431):1189-90. doi: 10.1126/science.285.5431.1189a.Science. 1999.PMID: 10484725No abstract available.
Mervis J, Kaiser J.Mervis J, et al. Among authors: kaiser j.Science. 2002 Dec 20;298(5602):2308-9. doi: 10.1126/science.298.5602.2308b.Science. 2002.PMID: 12493885No abstract available.