title: Letter: Escherichia coli transport by Dalkon shield string.
mesh_terms: D004927:Escherichia coli Infections; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices; D011247:Pregnancy; D014599:Uterus / Q000382:microbiology*; D014621:Vagina / Q000382:microbiology*