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A comprehensive analysis of the androgen receptor gene and risk of breast cancer. Results from the National Cancer Institute Breast and Prostate Cancer Cohort Consortium (BPC3)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2006-09-20)
Introduction Androgens have been hypothesised to influence risk of breast cancer through several possible mechanisms, including their conversion to estradiol or their binding to the oestrogen receptor and/or androgen receptor (AR) in the breast. Here, we report on the results of a large and comprehensive study of the association between genetic variation in the AR gene and risk of breast cancer ...
Test-retest reproducibility of a food frequency questionnaire (FFQ) and estimated effects on disease risk in the Norwegian Women and Cancer Study (NOWAC)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2006-01-31)
Background: The Norwegian Women and Cancer Study (NOWAC) is a national population-based cohort study with 102 443 women enrolled at age 30–70 y from 1991 to 1997. The present study was a methodological sub-study to assess the test-retest reproducibility of the NOWAC food frequency questionnaire (FFQ), and to study how measurement errors in the data can affect estimates of disease risk. Methods: A ...