Circulating sex hormones and breast cancer risk factors in postmenopausal women: reanalysis of 13 studies.
BACKGROUND: Breast cancer risk for postmenopausal women is positively associated with circulating concentrations of oestrogens and androgens, but the determinants of these hormones are not well understood. METHODS: Cross-sectional analyses of breast cancer risk factors and circulating hormone concen...
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Materiálatiipa: | Journal article |
Giella: | English |
Almmustuhtton: |
2011
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