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.
Endogenous Hormones and Prostate Cancer Collaborative Group; Roddam AW, Allen NE, Appleby P, Key TJ.Endogenous Hormones and Prostate Cancer Collaborative Group, et al. Among authors: key tj.J Natl Cancer Inst. 2008 Feb 6;100(3):170-83. doi: 10.1093/jnci/djm323. Epub 2008 Jan 29.J Natl Cancer Inst. 2008.PMID: 18230794Free PMC article.