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Gene expression analyses in breast cancer epidemiology: the Norwegian Women and Cancer postgenome cohort study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2008-02-13)
Introduction:
The introduction of high-throughput technologies, also called -omics technologies, into epidemiology has raised the need for high-quality observational studies to reduce several sources of error and bias.
Methods:
The Norwegian Women and Cancer (NOWAC) postgenome cohort study consists of approximately 50,000 women born between 1943 and 1957 who gave blood samples between 2003 ...
Hormone replacement therapy use and plasma levels of sex hormones in the Norwegian Women and Cancer Postgenome Cohort : a cross-sectional analysis
(Journal article; Tidsskriftartikkel; Peer reviewed, 2008-02-14)
Background: Hormone replacement therapy use (HRT) is associated with increased breast cancer risk. Our
primary objective was to explore hormone levels in plasma according to HRT use, body mass index (BMI) and
menopausal status. A secondary objective was to validate self-reported questionnaire information on
menstruation and HRT use in the Norwegian Women and Cancer postgenome cohort (NOWAC).
Methods: ...