Environmental Exposure - adverse effects, United States - epidemiology, Receptors, Estrogen, Humans, Risk Factors, Breast Neoplasms - etiology, Female, Breast Neoplasms - epidemiology, Usage, Receptors, Analysis, Estrogen, Environmental aspects, Physiological aspects, Breast cancer, Epidemiology, Public aspects of medicine, Medicine, R858-859.7, RA1-1270, Co...