title: Preface. Abortion and breast cancer.
authors.forename: Barry A
authors.initials: BA
authors.lastname: Bostrom
mesh_terms: D000028:Abortion, Induced / Q000009:adverse effects*; D001943:Breast Neoplasms / Q000209:etiology* / Q000517:prevention & control*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects; D005260:Female; D006801:Humans; D008327:Mammography; D011247:Pregnancy; D012307:Risk Factors
chemical_list: D003278:Contraceptives, Oral, Hormonal