BACKGROUND: Women with a family history of breast cancer are at increased risk of the
disease, but no study has been large enough to characterise reliably how, over women's …

An increased risk of breast cancer in women with a family history of breast cancer has been
demonstrated by many studies using a variety of study designs. However, the extent of this …

BACKGROUND: The Collaborative Group on Hormonal Factors in Breast Cancer has
brought together and reanalysed about 90% of the worldwide epidemiological evidence on …

Summary Background The Collaborative Group on Hormonal Factors in Breast Cancer has
brought together and reanalysed the worldwide epidemiological evidence on the relation …

Alcohol and tobacco consumption are closely correlated and published results on their
association with breast cancer have not always allowed adequately for confounding …

We discuss methods for summarizing epidemiologic studies of dose-response. The data
from such a study typically appear as a series of dose-specific relative risks, with one …

The etiology of breast cancer might be explained by 2 mechanisms, namely, differentiation
and proliferation of breast epithelial cells mediated by hormonal factors. We performed a …

OBJECTIVE To perform a meta-analysis of case-control studies that addressed whether
prior oral contraceptive (OC) use is associated with premenopausal breast cancer …

Table 5 presents risk factors for breast cancer generally regarded as established, together
with their approximate relative risks. With the exception of age, country of birth, and a history …

Despite numerous studies evaluating the risk of breast cancer among oral contraception
users, the effect of oral contraceptive on develo** breast cancer remains inconclusive …