title: Two years experience with copper-T 200 in a Swedish population-a comparison between nulliparous and parous women.
mesh_terms: D000293:Adolescent; D000328:Adult; D003300:Copper; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D010146:Pain / Q000209:etiology; D010298:Parity; D011095:Polyethylenes; D011247:Pregnancy; D013548:Sweden; D014592:Uterine Hemorrhage / Q000209:etiology
chemical_list: D011095:Polyethylenes; D003300:Copper