title: Childbearing, oral contraceptive use, and breast cancer.
authors.forename: K
authors.initials: K
authors.lastname: McPherson
mesh_terms: D000367:Age Factors; D001943:Breast Neoplasms / Q000209:etiology*; D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D012306:Risk
chemical_list: D003276:Contraceptives, Oral