title: Association of the intrauterine device and pelvic inflammatory disease: a retrospective pilot study.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral; D004717:Endometrium / Q000382:microbiology; D005260:Female; D006784:Hospitals, Teaching; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D008598:Menstruation; D008796:Metrorrhagia; D009519:New York City; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology / Q000209:etiology*; D010865:Pilot Projects; D012189:Retrospective Studies; D012306:Risk; D012959:Socioeconomic Factors; D013246:Sterilization, Tubal; D013997:Time Factors
chemical_list: D003276:Contraceptives, Oral