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O'Shaughnessy J.O'Shaughnessy J.Breast Cancer Res Treat. 2007;105 Suppl 1(Suppl 1):67-74. doi: 10.1007/s10549-007-9702-9. Epub 2007 Oct 3.Breast Cancer Res Treat. 2007.PMID: 17912637Free PMC article.Clinical Trial.