title: The influence of long-term IUD use on vaginal smears.
mesh_terms: D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D005549:Foreign-Body Reaction; D006801:Humans; D007249:Inflammation; D007434:Intrauterine Devices / Q000009:adverse effects; D002579:Uterine Cervical Erosion / Q000453:epidemiology; D014626:Vaginal Smears