title: Pelvic inflammatory disease among women using copper IUDs, Progestasert, oral contraceptive pills or vaginal contraceptive pills:  a 4-year prospective investigation.
authors.forename: B
authors.initials: B
authors.lastname: Larsson
authors.forename: S
authors.initials: S
authors.lastname: Rodau
authors.forename: E
authors.initials: E
authors.lastname: Patek
mesh_terms: D000367:Age Factors; D055598:Chemical Phenomena; D002621:Chemistry; D003267:Contraception; D003276:Contraceptives, Oral; D003300:Copper; D003933:Diagnosis; D004194:Disease; D005193:Family Planning Services; D007239:Infections; D007287:Inorganic Chemicals; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D007436:Intrauterine Devices, Medicated; D008670:Metals; D010298:Parity; D000292:Pelvic Inflammatory Disease; D011446:Prospective Studies; D012106:Research; D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies
chemical_list: D003276:Contraceptives, Oral; D007287:Inorganic Chemicals; D008670:Metals; D013089:Spermatocidal Agents; D014622:Vaginal Creams, Foams, and Jellies; D003300:Copper
keywords: Adnexitis; Age Factors; Contraception; Contraceptive Methods; Copper; Diseases; Examinations And Diagnoses; Family Planning; Infections; Ingredients And Chemicals; Inorganic Chemicals; Iud; Iud Material; Iud, Copper Releasing; Iud, Hormone Releasing; Metals; Nulliparity; Oral Contraceptives; Pelvic Infections; Pelvic Inflammatory Disease; Prospective Studies; Reproductive Tract Infections; Research Methodology; Size; Studies; Vaginal Spermicides; Vaginal Tablet