Contraceptive choice and cervical cytology.
D000367:Age Factors; D003075:Coitus; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003710:Demography; D004522:Educational Status; D005006:Ethnicity; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D010298:Parity; D010414:Pennsylvania; D012725:Sexual Behavior; D012959:Socioeconomic Factors; D002577:Uterine Cervical Diseases / Q000209:etiology; D002583:Uterine Cervical Neoplasms / Q000209:etiology*; D014626:Vaginal Smears
D003276:Contraceptives, Oral