title: Investigation of a copper-intrauterine device (Cu-IUD) for possible effect on frequency and healing of pelvic inflammatory disease.
mesh_terms: D003300:Copper; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D000292:Pelvic Inflammatory Disease / Q000209:etiology*
chemical_list: D003300:Copper