title: SEM observations of an IUD from a patient with Actinomyces-like organisms on papanicolaou smear.
mesh_terms: D000190:Actinomyces / Q000648:ultrastructure*; D004717:Endometrium / Q000382:microbiology*; D005260:Female; D005612:Freeze Drying / Q000379:methods; D006801:Humans; D007434:Intrauterine Devices; D008855:Microscopy, Electron, Scanning; D009584:Nitrogen
chemical_list: D009584:Nitrogen