title: Ischemic stroke risk in oral contraceptive users.
authors: Alfonso
authors: A
authors: Ciccone
authors: Maurizio
authors: M
authors: Melis
mesh_terms: D015982:Bias; D002545:Brain Ischemia / Q000139:chemically induced*; D002318:Cardiovascular Diseases / Q000209:etiology; D016022:Case-Control Studies; D015984:Causality; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D012306:Risk; D018570:Risk Assessment; D012307:Risk Factors; D020521:Stroke / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral