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.
Henderson BE, Ross RK, Pike MC.Henderson BE, et al. Among authors: pike mc.Science. 1991 Nov 22;254(5035):1131-8. doi: 10.1126/science.1957166.Science. 1991.PMID: 1957166Review.
Preston-Martin S, Pike MC, Ross RK, Jones PA, Henderson BE.Preston-Martin S, et al. Among authors: pike mc.Cancer Res. 1990 Dec 1;50(23):7415-21.Cancer Res. 1990.PMID: 2174724