Cancer Research UK Epidemiology Unit, University of Oxford, Gibson Building, Radcliffe Infirmary, Oxford OX2 6HE, UK.
Keywords
Humans, Breast Neoplasms, Estradiol, Progesterone, Prolactin, Insulin-Like Growth Factor I, Sex Hormone-Binding Globulin, Androgens, Body Mass Index, Risk Factors, Cell Division, Menopause, Women's Health, Female
