title: Oral contraceptives and stroke.
authors.forename: J W
authors.initials: JW
authors.lastname: Norris
mesh_terms: D002561:Cerebrovascular Disorders / Q000139:chemically induced*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral