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