title: Incidence of pelvic inflammatory disease.
authors.forename: F M
authors.initials: FM
authors.lastname: Sturtevant
mesh_terms: D005260:Female; D006801:Humans; D015994:Incidence; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology* / Q000209:etiology