Cytological evaluation of long term effect of Lippes loop and copper IUDs.
D000328:Adult; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D007435:Intrauterine Devices, Copper / Q000009:adverse effects*; D013997:Time Factors; D002578:Uterine Cervical Dysplasia / Q000453:epidemiology*; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology*; D002575:Uterine Cervicitis / Q000453:epidemiology*