title: Dalkon Shield perforation of the uterus and urinary bladder with calculus formation: case report.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D011247:Pregnancy; D014595:Uterine Perforation / Q000209:etiology*; D014597:Uterine Rupture / Q000209:etiology*