Oral contraceptive use and incidence of cervical intraepithelial neoplasia.
Turnquest
M A
MA
D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D002583:Uterine Cervical Neoplasms / Q000139:chemically induced*
D003276:Contraceptives, Oral