title: Oral contraceptives and breast cancer.
authors.forename: R A
authors.initials: RA
authors.lastname: Edgren
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000494:pharmacology*; D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage / Q000494:pharmacology*; D004967:Estrogens / Q000008:administration & dosage; D005260:Female; D006801:Humans; D011372:Progestins / Q000008:administration & dosage
chemical_list: D003277:Contraceptives, Oral, Combined; D003278:Contraceptives, Oral, Hormonal; D004967:Estrogens; D011372:Progestins