Endogenous hormones and risk of invasive breast cancer in pre- and post-menopausal women: findings from the UK Biobank

Background Some endogenous hormones have been associated with breast cancer risk, but the nature of these relationships is not fully understood. Methods UK Biobank was used. Hormone concentrations were measured in serum collected in 2006–2010, and in a repeat subsample ( N  ~ 5000) in 2012–13. Incid...

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