title: Mortality associated with oral contraceptive use. Confounding might have accounted for results.
authors.forename: A
authors.initials: A
authors.lastname: Szarewski
authors.forename: H C
authors.initials: HC
authors.lastname: Kitchener
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012306:Risk; D002583:Uterine Cervical Neoplasms / Q000401:mortality*
chemical_list: D003276:Contraceptives, Oral