Advanced stages and poorly differentiated grade are associated with an increased risk of HER2/neu positive breast carcinoma only in White women: findings from a prospective cohort study of African-American and White-American women.
Breast Cancer Res Treat. 2008 Feb;107(3):405-14. doi: 10.1007/s10549-007-9560-5. Epub 2007 Apr 13. Breast Cancer Res Treat. 2008. PMID: 17431759