Comparative randomized study of the copper-T 200 and Dalkon Shield intrauterine devices.
D003300:Copper; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices / Q000009:adverse effects; D011247:Pregnancy; D014592:Uterine Hemorrhage / Q000209:etiology; D014595:Uterine Perforation / Q000209:etiology
D003300:Copper