Current trends, IUD safety: report of a nationwide physician survey. 1974.
D005260:Female; D049673:History, 20th Century; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000266:history*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology; D014481:United States / Q000453:epidemiology