title: Effect of Lippes loop on cervical epithelium.
mesh_terms: D002584:Cervix Uteri / Q000473:pathology; D004848:Epithelium / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D002577:Uterine Cervical Diseases / Q000209:etiology* / Q000473:pathology