Contraveptives and dysplasia: higher rate for pill choosers.
D002140:California; D002273:Carcinogens; D003276:Contraceptives, Oral; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D011230:Precancerous Conditions / Q000453:epidemiology*; D011446:Prospective Studies; D002583:Uterine Cervical Neoplasms / Q000209:etiology*
D002273:Carcinogens; D003276:Contraceptives, Oral