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This nested case-control study by Woolcott and colleagues extends the existing evidence of the association between sex hormones and breast cancer risk from mainly white study populations into a multiethnic cohort. The study confirms, for the first time, that high levels of sex hormones and low levels of sex hormone-binding globulin are associated with increased breast cancer risk in an ethnically diverse population. Woolcott et al., Endocrine-Related Cancer.

DOI: 10.1677/ERC-09-0211

Plasma sex hormones and breast cancer

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