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.
Stuebe AM, Rich-Edwards JW, Willett WC, Manson JE, Michels KB.Stuebe AM, et al. Among authors: michels kb.JAMA. 2005 Nov 23;294(20):2601-10. doi: 10.1001/jama.294.20.2601.JAMA. 2005.PMID: 16304074
Xue F, Colditz GA, Willett WC, Rosner BA, Michels KB.Xue F, et al. Among authors: michels kb.Breast Cancer Res Treat. 2007 Sep;104(3):331-40. doi: 10.1007/s10549-006-9424-4. Epub 2006 Nov 18.Breast Cancer Res Treat. 2007.PMID: 17115113