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Harris HR, Willett WC, Terry KL, Michels KB.Harris HR, et al. Among authors: michels kb.J Natl Cancer Inst. 2011 Feb 2;103(3):273-8. doi: 10.1093/jnci/djq500. Epub 2010 Dec 16.J Natl Cancer Inst. 2011.PMID: 21163903Free PMC article.