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.
Beane Freeman LE, Dennis LK, Lynch CF, Thorne PS, Just CL.Beane Freeman LE, et al.Am J Epidemiol. 2004 Oct 1;160(7):679-87. doi: 10.1093/aje/kwh267.Am J Epidemiol. 2004.PMID: 15383412
Beane Freeman LE, Blair A, Lubin JH, Stewart PA, Hayes RB, Hoover RN, Hauptmann M.Beane Freeman LE, et al.J Natl Cancer Inst. 2009 May 20;101(10):751-61. doi: 10.1093/jnci/djp096. Epub 2009 May 12.J Natl Cancer Inst. 2009.PMID: 19436030Free PMC article.