title: Exogenous sex hormones and risk of breast cancer.
authors.forename: Vera
authors.initials: V
authors.lastname: Smetnik
authors.forename: Victoria
authors.initials: V
authors.lastname: Konovalova
mesh_terms: D001943:Breast Neoplasms / Q000139:chemically induced*; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage / Q000009:adverse effects; D004967:Estrogens / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D020249:Hormone Replacement Therapy / Q000009:adverse effects / Q000379:methods; D006801:Humans; D010062:Ovulation Induction / Q000009:adverse effects / Q000379:methods
chemical_list: D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens