title: Cytological follow-up of 200 women using copper device for contraception.
mesh_terms: D000293:Adolescent; D000328:Adult; D002584:Cervix Uteri / Q000166:cytology* / Q000473:pathology; D003300:Copper; D004847:Epithelial Cells; D004848:Epithelium / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D008875:Middle Aged; D010298:Parity; D013997:Time Factors
chemical_list: D003300:Copper