title: The intrauterine device and pelvic inflammatory disease revisited: new results from the Women's Health Study.
authors.forename: R L
authors.initials: RL
authors.lastname: Kramer
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D000292:Pelvic Inflammatory Disease / Q000209:etiology*; D012307:Risk Factors